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.mw-parser-output .infobox-table th,body.skin--responsive .mw-parser-output .infobox-table td{padding-left:inherit;padding-right:inherit}}</style><table class="infobox biography vcard"><tbody><tr><th colspan="2" class="infobox-above" style="font-size:125%;"><div class="fn">Constantijn Huygens Jr.</div></th></tr><tr><td colspan="2" class="infobox-image"><span typeof="mw:File"><a href="/wiki/File:Constantijn_Huygens,_Jr_portrait.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/b/b4/Constantijn_Huygens%2C_Jr_portrait.png/250px-Constantijn_Huygens%2C_Jr_portrait.png" decoding="async" width="250" height="323" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/b/b4/Constantijn_Huygens%2C_Jr_portrait.png 1.5x" data-file-width="371" data-file-height="480" /></a></span><div class="infobox-caption">Constantijn Huygens Jr., self portrait (1685)</div></td></tr><tr><th scope="row" class="infobox-label">Born</th><td class="infobox-data">10 March 1628<br /><div style="display:inline" class="birthplace"><a href="/wiki/The_Hague" title="The Hague">The Hague</a>, <a href="/wiki/Dutch_Republic" title="Dutch Republic">Dutch Republic</a></div></td></tr><tr><th scope="row" class="infobox-label">Died</th><td class="infobox-data">October 1697<br /><div style="display:inline" class="deathplace">The Hague</div></td></tr><tr><th scope="row" class="infobox-label">Nationality</th><td class="infobox-data category"><a href="/wiki/Netherlands" title="Netherlands">Dutch</a></td></tr><tr><th scope="row" class="infobox-label">Alma mater</th><td class="infobox-data"><a href="/wiki/Leiden_University" title="Leiden University">University of Leiden</a></td></tr><tr><th scope="row" class="infobox-label">Known for</th><td class="infobox-data"><a href="/wiki/Aerial_telescope" title="Aerial telescope">Aerial telescope</a>, diaries</td></tr><tr><th scope="row" class="infobox-label">Spouse</th><td class="infobox-data">Susanna Rijckaert</td></tr><tr><th scope="row" class="infobox-label">Children</th><td class="infobox-data">2</td></tr><tr><td colspan="2" class="infobox-full-data"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1257001546"><b>Scientific career</b></td></tr><tr><th scope="row" class="infobox-label">Fields</th><td class="infobox-data category"><a href="/wiki/Astronomy" title="Astronomy">Astronomy</a> <br /> <a href="/wiki/Optics" title="Optics">Optics</a></td></tr><tr style="display:none"><td colspan="2"> </td></tr></tbody></table> <p><b>Constantijn Huygens Jr., Lord of Zuilichem</b> (10 March 1628 – October 1697), was a Dutch statesman and poet, mostly known for his work on scientific instruments (sometimes together with his younger brother <a href="/wiki/Christiaan_Huygens" title="Christiaan Huygens">Christiaan Huygens</a>). But, he was also a chronicler of his times, revealing the importance of <a href="/wiki/Gossip" title="Gossip">gossip</a>.<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> Additionally, he was an amateur draughtsman of <a href="/wiki/Landscape_art" class="mw-redirect" title="Landscape art">landscapes</a>. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Biography">Biography</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Constantijn_Huygens_Jr.&action=edit&section=1" title="Edit section: Biography"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Constantijn Huygens was the eldest son of Sir <a href="/wiki/Constantijn_Huygens" title="Constantijn Huygens">Constantijn Huygens</a>, a poet and statesman, and <a href="/wiki/Suzanna_van_Baerle" title="Suzanna van Baerle">Suzanna van Baerle</a>. He was taught at home by his father and private tutors. In 1637 his mother died.<sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> Around 1640 the family was depicted by <a href="/wiki/Adriaen_Hanneman" title="Adriaen Hanneman">Adriaen Hanneman</a>. Along with his younger brother <a href="/wiki/Christiaan_Huygens" title="Christiaan Huygens">Christiaan Huygens</a>, he began his studies at <a href="/wiki/Leiden_university" class="mw-redirect" title="Leiden university">Leiden university</a> in 1645, studying law.<sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> He studied the works of classical authors on history, philosophy, and science, including mathematics from <a href="/wiki/Frans_van_Schooten" title="Frans van Schooten">Frans van Schooten</a>. </p><p>In 1649–1650 Huygens accompanied <a href="/wiki/Adriaen_Pauw" class="mw-redirect" title="Adriaen Pauw">Adriaen Pauw</a> to England <sup id="cite_ref-6" class="reference"><a href="#cite_note-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> and toured through Belgium, France, Switzerland and Italy. In 1655 he moved to Paris. He joined the circle around <a href="/wiki/Honor%C3%A9_Fabri" title="Honoré Fabri">Honoré Fabri</a>. In the Hague he also was visiting the salon, organized by the wife of <a href="/wiki/Fran%C3%A7ois_Caron" title="François Caron">François Caron</a>. In 1668 he married Susanna Rijckaert (1642–1712), a rich woman from Amsterdam.<sup id="cite_ref-7" class="reference"><a href="#cite_note-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-8" class="reference"><a href="#cite_note-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup> In April 1676, during his stay in <a href="/wiki/Zemst" title="Zemst">Zemst</a> he was visited by <a href="/wiki/David_Teniers_the_Younger" title="David Teniers the Younger">David Teniers the Younger</a>. In 1680 Huygens visited <a href="/wiki/Celle" title="Celle">Celle</a> and moved out of his father's house. It is not sure if it had to do with <a href="/wiki/Abraham_de_Wicquefort" title="Abraham de Wicquefort">Abraham de Wicquefort</a> or <a href="/wiki/Sophia_Dorothea_of_Celle" title="Sophia Dorothea of Celle">Sophia Dorothea of Celle</a>. To stop the gossip his father wrote a poem: <i>Cluijs-werck</i>. </p><p>When <a href="/wiki/William_III_of_England" title="William III of England">William III of England</a> became <a href="/wiki/Stadtholder" title="Stadtholder">stadtholder</a> in 1672, Huygens had been appointed as his secretary.<sup id="cite_ref-9" class="reference"><a href="#cite_note-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup> Huygens participated in the campaigns against the French, in the <a href="/wiki/Glorious_Revolution" title="Glorious Revolution">Glorious Revolution</a>, but did not attend the crowning. He described the <a href="/wiki/Battle_of_the_Boyne" title="Battle of the Boyne">Battle of the Boyne</a>. During the <a href="/wiki/Nine_Years%27_War" title="Nine Years' War">Nine Years' War</a>, Constantijn left for the <a href="/wiki/Spanish_Netherlands" title="Spanish Netherlands">Southern Netherlands</a> each spring, returning to London each autumn.<sup id="cite_ref-warwick1_10-0" class="reference"><a href="#cite_note-warwick1-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup> Huygens became friends with or wrote about the <a href="/wiki/Groom_of_the_Stole" class="mw-redirect" title="Groom of the Stole">Groom of the Stole</a> <a href="/wiki/William_Bentinck,_1st_Earl_of_Portland" title="William Bentinck, 1st Earl of Portland">William Bentinck</a>, <a href="/wiki/Arnold_van_Keppel,_1st_Earl_of_Albemarle" title="Arnold van Keppel, 1st Earl of Albemarle">Arnold van Keppel, 1st Earl of Albemarle</a>, <a href="/wiki/William_Nassau_de_Zuylestein,_1st_Earl_of_Rochford" title="William Nassau de Zuylestein, 1st Earl of Rochford">William Nassau de Zuylestein</a>, <a href="/wiki/Everhard_van_Weede_Dijkvelt" title="Everhard van Weede Dijkvelt">Everhard van Weede Dijkvelt</a>, <a href="/wiki/Coenraad_van_Beuningen" title="Coenraad van Beuningen">Coenraad van Beuningen</a> and <a href="/wiki/Adrian_Beverland" title="Adrian Beverland">Adrian Beverland</a>. When <a href="/wiki/William_Blathwayt" title="William Blathwayt">William Blathwayt</a> surpassed him as secretary, Huygens was frustrated and in 1695 he received permission to return to the <a href="/wiki/Dutch_Republic" title="Dutch Republic">Dutch Republic</a>.He formally remained William's private secretary, however. As such he was succeeded by <a href="/wiki/Abel_Tassin_d%27Alonne" title="Abel Tassin d'Alonne">Abel Tassin d'Alonne</a> after Huygen's death.<sup id="cite_ref-leeuw66_11-0" class="reference"><a href="#cite_note-leeuw66-11"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup> </p><p>Huygens died in October 1697 and was buried on 2 November 1697. With Susanna, he had one son, who died in 1704. He had one daughter from an earlier affair. </p> <div class="mw-heading mw-heading2"><h2 id="Telescopes_and_optics">Telescopes and optics</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Constantijn_Huygens_Jr.&action=edit&section=2" title="Edit section: Telescopes and optics"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Huygens_Aerial_telescope,_1684.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/b/b6/Huygens_Aerial_telescope%2C_1684.jpg/220px-Huygens_Aerial_telescope%2C_1684.jpg" decoding="async" width="220" height="279" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/b/b6/Huygens_Aerial_telescope%2C_1684.jpg/330px-Huygens_Aerial_telescope%2C_1684.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/b/b6/Huygens_Aerial_telescope%2C_1684.jpg/440px-Huygens_Aerial_telescope%2C_1684.jpg 2x" data-file-width="1003" data-file-height="1273" /></a><figcaption>Tubeless <a href="/wiki/Aerial_telescope" title="Aerial telescope">aerial telescope</a> from Christiaan and Constantijn Huygens</figcaption></figure> <p>Around 1650 when Christiaan Huygens became interested in microscopes and telescopes, Constantijn helped him with the construction of the lenses. In 1655 Christiaan discovered <a href="/wiki/Titan_(moon)" title="Titan (moon)">Titan</a>, a moon orbiting <a href="/wiki/Saturn" title="Saturn">Saturn</a>.<sup id="cite_ref-12" class="reference"><a href="#cite_note-12"><span class="cite-bracket">[</span>12<span class="cite-bracket">]</span></a></sup> Between 1683 and 1687 Constantijn and his brother continued to make larger and longer <a href="/wiki/Focal_length" title="Focal length">focal length</a> telescope <a href="/wiki/Objective_(optics)" title="Objective (optics)">objectives</a> culminating in the very large tubeless <a href="/wiki/Aerial_telescope" title="Aerial telescope">aerial telescopes</a>. He presented a 7.5 inch (190mm) diameter 123 ft (37.5 m) focal length aerial telescope objective to the <a href="/wiki/Royal_Society" title="Royal Society">Royal Society</a> in 1690<sup id="cite_ref-13" class="reference"><a href="#cite_note-13"><span class="cite-bracket">[</span>13<span class="cite-bracket">]</span></a></sup> that still bears his signature.<sup id="cite_ref-14" class="reference"><a href="#cite_note-14"><span class="cite-bracket">[</span>14<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Diary">Diary</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Constantijn_Huygens_Jr.&action=edit&section=3" title="Edit section: Diary"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>From 1673 to 1696, Huygens kept a private diary (now at the <a href="/wiki/National_Library_of_the_Netherlands" class="mw-redirect" title="National Library of the Netherlands">Koninklijke Bibliotheek</a>). Between 1649 and 1697 Huygens filled 1,599 pages.<sup id="cite_ref-repub1_15-0" class="reference"><a href="#cite_note-repub1-15"><span class="cite-bracket">[</span>15<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-16" class="reference"><a href="#cite_note-16"><span class="cite-bracket">[</span>16<span class="cite-bracket">]</span></a></sup> In this diary he recorded all aspects of early-modern <a href="/wiki/Noble_court" class="mw-redirect" title="Noble court">court life</a> in Holland and England.<sup id="cite_ref-17" class="reference"><a href="#cite_note-17"><span class="cite-bracket">[</span>17<span class="cite-bracket">]</span></a></sup> The book includes chapters on such subjects as the changing perception of time, book collecting, Huygens's role as connoisseur of art, belief in magic and witchcraft, and gossip and sexuality at the court of William and Mary. It provides an insight on the history of <a href="/wiki/Human_sexuality" title="Human sexuality">human sexuality</a>.<sup id="cite_ref-18" class="reference"><a href="#cite_note-18"><span class="cite-bracket">[</span>18<span class="cite-bracket">]</span></a></sup> Huygens is comparable to his English contemporary, <a href="/wiki/Samuel_Pepys" title="Samuel Pepys">Samuel Pepys</a>, but with an important difference: whereas Pepys mainly describes his own sexual habits, Huygens almost exclusively describes those of others.<sup id="cite_ref-repub1_15-1" class="reference"><a href="#cite_note-repub1-15"><span class="cite-bracket">[</span>15<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Drawings_and_paintings">Drawings and paintings</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Constantijn_Huygens_Jr.&action=edit&section=4" title="Edit section: Drawings and paintings"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size mw-halign-left" typeof="mw:File/Thumb"><a href="/wiki/File:Constantijn_Huygens,_Jr_-_Kasteel_Zuilichem_(1657).jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/a/a2/Constantijn_Huygens%2C_Jr_-_Kasteel_Zuilichem_%281657%29.jpg/220px-Constantijn_Huygens%2C_Jr_-_Kasteel_Zuilichem_%281657%29.jpg" decoding="async" width="220" height="160" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/a/a2/Constantijn_Huygens%2C_Jr_-_Kasteel_Zuilichem_%281657%29.jpg/330px-Constantijn_Huygens%2C_Jr_-_Kasteel_Zuilichem_%281657%29.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/a/a2/Constantijn_Huygens%2C_Jr_-_Kasteel_Zuilichem_%281657%29.jpg 2x" data-file-width="425" data-file-height="309" /></a><figcaption>A pencil drawing of Castle Zuilichem attributed to Huygens with inscriptions: "'t huijs te Zuylichem" and "August 1657". The castle was renovated by Constantijn Huygens Sr. in 1630.</figcaption></figure> <p>Like his ancestor <a href="/wiki/Joris_Hoefnagel" title="Joris Hoefnagel">Joris Hoefnagel</a>, Constantijn practised his skill in drawing. With the death of his father in 1687, he inherited the <a href="/wiki/Heerlijkheid" title="Heerlijkheid">Heerlijkheid</a> and the castle of <a href="/wiki/Zuilichem" title="Zuilichem">Zuilichem</a> (nearby <a href="/wiki/Zaltbommel" title="Zaltbommel">Zaltbommel</a>), by which he became known as Lord of Zuilichem (in Dutch: Heer van Zuilichem).<sup id="cite_ref-19" class="reference"><a href="#cite_note-19"><span class="cite-bracket">[</span>19<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-20" class="reference"><a href="#cite_note-20"><span class="cite-bracket">[</span>20<span class="cite-bracket">]</span></a></sup> Huygens Jr. made some drawings and paintings, depicting this castle in the period between 1650 till 1660.<sup id="cite_ref-21" class="reference"><a href="#cite_note-21"><span class="cite-bracket">[</span>21<span class="cite-bracket">]</span></a></sup> They can be seen at the museum <a href="/wiki/Maarten_van_Rossum" title="Maarten van Rossum">Maarten van Rossum</a> at Zaltbommel. </p><p>Constantijn was an art connoisseur and advised setting up the gallery in <a href="/wiki/Kensington_Palace" title="Kensington Palace">Kensington Palace</a>. He is connected to the <a href="/wiki/Codex_Windsor" title="Codex Windsor">Codex Windsor</a> manuscript by <a href="/wiki/Leonardo_da_Vinci" title="Leonardo da Vinci">Leonardo da Vinci</a> and the Codex Huygens, copied after Leonardo's journals.<sup id="cite_ref-22" class="reference"><a href="#cite_note-22"><span class="cite-bracket">[</span>22<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-23" class="reference"><a href="#cite_note-23"><span class="cite-bracket">[</span>23<span class="cite-bracket">]</span></a></sup> The latter Constantijn received in 1690; he <a href="/wiki/Conservation_and_restoration_of_books,_manuscripts,_documents_and_ephemera" class="mw-redirect" title="Conservation and restoration of books, manuscripts, documents and ephemera">mended and mounted</a> it, believing it to be a Leonardo original, though it is more likely by either <a href="/wiki/Bernardino_Campi" title="Bernardino Campi">Bernardino Campi</a> or <a href="/wiki/Carlo_Urbino" title="Carlo Urbino">Carlo Urbino</a>.<sup id="cite_ref-24" class="reference"><a href="#cite_note-24"><span class="cite-bracket">[</span>24<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-25" class="reference"><a href="#cite_note-25"><span class="cite-bracket">[</span>25<span class="cite-bracket">]</span></a></sup> According to Huygens, <a href="/wiki/Romeyn_de_Hooghe" title="Romeyn de Hooghe">Romeyn de Hooghe</a> illustrated <i> La puttana errante</i>, an erotic book by <a href="/wiki/Pietro_Aretino" title="Pietro Aretino">Pietro Aretino</a>.<sup id="cite_ref-26" class="reference"><a href="#cite_note-26"><span class="cite-bracket">[</span>26<span class="cite-bracket">]</span></a></sup> </p> <div style="clear:both;" class=""></div> <div class="mw-heading mw-heading2"><h2 id="References">References</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Constantijn_Huygens_Jr.&action=edit&section=5" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1239543626">.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media screen{.mw-parser-output .reflist{font-size:90%}}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}</style><div class="reflist"> <div class="mw-references-wrap mw-references-columns"><ol class="references"> <li id="cite_note-1"><span class="mw-cite-backlink"><b><a href="#cite_ref-1">^</a></b></span> <span class="reference-text"><style data-mw-deduplicate="TemplateStyles:r1238218222">.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><cite id="CITEREFDekker2013" class="citation book cs1">Dekker, Rudolf M. (7 June 2013). <a rel="nofollow" class="external text" href="https://books.google.com/books?id=iAckR8sfwfAC&q=Constantijn+Huygens+jr"><i>Family, Culture and Society in the Diary of Constantijn Huygens Jr</i></a>. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/978-9004250956" title="Special:BookSources/978-9004250956"><bdi>978-9004250956</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Family%2C+Culture+and+Society+in+the+Diary+of+Constantijn+Huygens+Jr.&rft.date=2013-06-07&rft.isbn=978-9004250956&rft.aulast=Dekker&rft.aufirst=Rudolf+M.&rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3DiAckR8sfwfAC%26q%3DConstantijn%2BHuygens%2Bjr&rfr_id=info%3Asid%2Fen.wikipedia.org%3AConstantijn+Huygens+Jr." class="Z3988"></span></span> </li> <li id="cite_note-2"><span class="mw-cite-backlink"><b><a href="#cite_ref-2">^</a></b></span> <span class="reference-text"> Le "Journaal" de C. Huygens, le jeune : extraits réunis et commentés / par Jean Gessler. La Haye : Nĳhoff. 1933</span> </li> <li id="cite_note-3"><span class="mw-cite-backlink"><b><a href="#cite_ref-3">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation book cs1"><a rel="nofollow" class="external text" href="http://catalog.hathitrust.org/Record/009018674"><i>Register op de Journalen van Constantijn Huygens Jr</i></a>. Historisch genootschap, Utrecht. Werken.3. Serie, no. 22. Müller. 1906.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Register+op+de+Journalen+van+Constantijn+Huygens+Jr&rft.series=Historisch+genootschap%2C+Utrecht.+Werken.3.+Serie%2C+no.+22&rft.pub=M%C3%BCller&rft.date=1906&rft_id=http%3A%2F%2Fcatalog.hathitrust.org%2FRecord%2F009018674&rfr_id=info%3Asid%2Fen.wikipedia.org%3AConstantijn+Huygens+Jr." class="Z3988"></span></span> </li> <li id="cite_note-4"><span class="mw-cite-backlink"><b><a href="#cite_ref-4">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://www.essentialvermeer.com/history/huygens.html">"Essential Vermeer"</a>. Essential Vermeer<span class="reference-accessdate">. Retrieved <span class="nowrap">2014-03-08</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Essential+Vermeer&rft.pub=Essential+Vermeer&rft_id=http%3A%2F%2Fwww.essentialvermeer.com%2Fhistory%2Fhuygens.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3AConstantijn+Huygens+Jr." class="Z3988"></span></span> </li> <li id="cite_note-5"><span class="mw-cite-backlink"><b><a href="#cite_ref-5">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://web.archive.org/web/20120219163610/http://www.physics.ubc.ca/~berciu/PHILIP/TEACHING/PHYS340/NOTES/FILES/huyghens.pdf">".physics.ubc.ca - LIFE of CHRISTIAAN HUYGHENS: Brief Notes, page 1"</a> <span class="cs1-format">(PDF)</span>. Archived from <a rel="nofollow" class="external text" href="http://www.physics.ubc.ca/~berciu/PHILIP/TEACHING/PHYS340/NOTES/FILES/huyghens.pdf">the original</a> <span class="cs1-format">(PDF)</span> on 2012-02-19<span class="reference-accessdate">. Retrieved <span class="nowrap">2014-03-08</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=.physics.ubc.ca+-+LIFE+of+CHRISTIAAN+HUYGHENS%3A+Brief+Notes%2C+page+1&rft_id=http%3A%2F%2Fwww.physics.ubc.ca%2F~berciu%2FPHILIP%2FTEACHING%2FPHYS340%2FNOTES%2FFILES%2Fhuyghens.pdf&rfr_id=info%3Asid%2Fen.wikipedia.org%3AConstantijn+Huygens+Jr." class="Z3988"></span></span> </li> <li id="cite_note-6"><span class="mw-cite-backlink"><b><a href="#cite_ref-6">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://ilibrariana.wordpress.com/2012/02/29/adriaan-pauw-jr-1622-1697/">"Adriaan Pauw jr. (1622–1697) | Librariana"</a>. Ilibrariana.wordpress.com. 2012-02-29<span class="reference-accessdate">. Retrieved <span class="nowrap">2014-03-08</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Adriaan+Pauw+jr.+%281622%E2%80%931697%29+%26%23124%3B+Librariana&rft.pub=Ilibrariana.wordpress.com&rft.date=2012-02-29&rft_id=https%3A%2F%2Filibrariana.wordpress.com%2F2012%2F02%2F29%2Fadriaan-pauw-jr-1622-1697%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3AConstantijn+Huygens+Jr." class="Z3988"></span></span> </li> <li id="cite_note-7"><span class="mw-cite-backlink"><b><a href="#cite_ref-7">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://archive.today/20130910060531/http://burckhardt.ic.uva.nl/ecartico/persons/12743">"Susanna Ryckaert"</a>. Burckhardt.ic.uva.nl. Archived from <a rel="nofollow" class="external text" href="http://burckhardt.ic.uva.nl/ecartico/persons/12743">the original</a> on 2013-09-10<span class="reference-accessdate">. Retrieved <span class="nowrap">2014-03-08</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Susanna+Ryckaert&rft.pub=Burckhardt.ic.uva.nl&rft_id=http%3A%2F%2Fburckhardt.ic.uva.nl%2Fecartico%2Fpersons%2F12743&rfr_id=info%3Asid%2Fen.wikipedia.org%3AConstantijn+Huygens+Jr." class="Z3988"></span></span> </li> <li id="cite_note-8"><span class="mw-cite-backlink"><b><a href="#cite_ref-8">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://www.dbnl.org/tekst/_nie012199401_01/_nie012199401_01_0030.php">"DBNL"</a>. DBNL<span class="reference-accessdate">. Retrieved <span class="nowrap">2014-03-08</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=DBNL&rft.pub=DBNL&rft_id=http%3A%2F%2Fwww.dbnl.org%2Ftekst%2F_nie012199401_01%2F_nie012199401_01_0030.php&rfr_id=info%3Asid%2Fen.wikipedia.org%3AConstantijn+Huygens+Jr." class="Z3988"></span></span> </li> <li id="cite_note-9"><span class="mw-cite-backlink"><b><a href="#cite_ref-9">^</a></b></span> <span class="reference-text">Family, Culture and Society in the Diary of Constantijn Huygens Jr, Secretary to Stadholder-King William of Orange by Rudolf Dekker <a rel="nofollow" class="external autonumber" href="http://www.brill.com/family-culture-and-society-diary-constantijn-huygens-jr-secretary-stadholder-king-william-orange">[1]</a></span> </li> <li id="cite_note-warwick1-10"><span class="mw-cite-backlink"><b><a href="#cite_ref-warwick1_10-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://www.dcs.warwick.ac.uk/bshm/zingaz/LondonPeopleH.html">"British Society for the History of Mathematics"</a>. Dcs.warwick.ac.uk<span class="reference-accessdate">. Retrieved <span class="nowrap">2014-03-08</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=British+Society+for+the+History+of+Mathematics&rft.pub=Dcs.warwick.ac.uk&rft_id=http%3A%2F%2Fwww.dcs.warwick.ac.uk%2Fbshm%2Fzingaz%2FLondonPeopleH.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3AConstantijn+Huygens+Jr." class="Z3988"></span></span> </li> <li id="cite_note-leeuw66-11"><span class="mw-cite-backlink"><b><a href="#cite_ref-leeuw66_11-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFLeeuw,_K._de1999" class="citation journal cs1">Leeuw, K. de (1999). <a rel="nofollow" class="external text" href="https://pure.uva.nl/ws/files/3074971/12767_UBA002000046_07.pdf">"The Black Chamber in the Dutch Republic during the War of the Spanish Succession and it Aftermath, 1707-1715"</a> <span class="cs1-format">(PDF)</span>. <i>The Historical Journal</i>. <b>42</b> (1): 66, note 84<span class="reference-accessdate">. Retrieved <span class="nowrap">3 August</span> 2023</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=The+Historical+Journal&rft.atitle=The+Black+Chamber+in+the+Dutch+Republic+during+the+War+of+the+Spanish+Succession+and+it+Aftermath%2C+1707-1715&rft.volume=42&rft.issue=1&rft.pages=66%2C+note+84&rft.date=1999&rft.au=Leeuw%2C+K.+de&rft_id=https%3A%2F%2Fpure.uva.nl%2Fws%2Ffiles%2F3074971%2F12767_UBA002000046_07.pdf&rfr_id=info%3Asid%2Fen.wikipedia.org%3AConstantijn+Huygens+Jr." class="Z3988"></span></span> </li> <li id="cite_note-12"><span class="mw-cite-backlink"><b><a href="#cite_ref-12">^</a></b></span> <span class="reference-text"><a rel="nofollow" class="external text" href="http://www.museumboerhaave.nl/collectie/e_voorwerpen/telescoopHuygens.html">Museumboerhaave.nl</a> <a rel="nofollow" class="external text" href="https://web.archive.org/web/20070709154419/http://www.museumboerhaave.nl/collectie/e_voorwerpen/telescoopHuygens.html">Archived</a> July 9, 2007, at the <a href="/wiki/Wayback_Machine" title="Wayback Machine">Wayback Machine</a></span> </li> <li id="cite_note-13"><span class="mw-cite-backlink"><b><a href="#cite_ref-13">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://www.stjarnhimlen.se/bigtel/LargestTelescope.html">"Paul Schlyter, <i>Largest optical telescopes of the world</i>"</a>. Stjarnhimlen.se<span class="reference-accessdate">. Retrieved <span class="nowrap">2014-03-08</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Paul+Schlyter%2C+Largest+optical+telescopes+of+the+world&rft.pub=Stjarnhimlen.se&rft_id=http%3A%2F%2Fwww.stjarnhimlen.se%2Fbigtel%2FLargestTelescope.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3AConstantijn+Huygens+Jr." class="Z3988"></span></span> </li> <li id="cite_note-14"><span class="mw-cite-backlink"><b><a href="#cite_ref-14">^</a></b></span> <span class="reference-text">In 1725 the <a href="/wiki/Royal_Society" title="Royal Society">Royal Society</a> also acquired two very long focal length aerial telescope objectives, both made by Constantijn.</span> </li> <li id="cite_note-repub1-15"><span class="mw-cite-backlink">^ <a href="#cite_ref-repub1_15-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-repub1_15-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFDekker,_R.M._(Rudolf)1999" class="citation journal cs1">Dekker, R.M. (Rudolf) (1999-11-01). <a rel="nofollow" class="external text" href="http://repub.eur.nl/res/pub/17079/">"RePub, Erasmus University Repository: Sexuality, Elites, and Court Life in the Late Seventeenth Century: The Diaries of Constantijn Huygens Jr"</a>. <i>Eighteenth-Century Life</i>. <b>23</b> (3). Repub.eur.nl: 94–109<span class="reference-accessdate">. Retrieved <span class="nowrap">2014-03-08</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Eighteenth-Century+Life&rft.atitle=RePub%2C+Erasmus+University+Repository%3A+Sexuality%2C+Elites%2C+and+Court+Life+in+the+Late+Seventeenth+Century%3A+The+Diaries+of+Constantijn+Huygens+Jr&rft.volume=23&rft.issue=3&rft.pages=94-109&rft.date=1999-11-01&rft.au=Dekker%2C+R.M.+%28Rudolf%29&rft_id=http%3A%2F%2Frepub.eur.nl%2Fres%2Fpub%2F17079%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3AConstantijn+Huygens+Jr." class="Z3988"></span></span> </li> <li id="cite_note-16"><span class="mw-cite-backlink"><b><a href="#cite_ref-16">^</a></b></span> <span class="reference-text">His journals, covering period 1673, 1675-1678, 1688-1696, were published in six volumes by the Historisch Genootschap te Utrecht, 1876-1915.</span> </li> <li id="cite_note-17"><span class="mw-cite-backlink"><b><a href="#cite_ref-17">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://web.archive.org/web/20110609132351/http://www.onderzoekinformatie.nl/nl/oi/biza/d42100o/OND1334266/">"Project: Court culture, time consciousness and the development of autobiographical writing in the seventeenth century. An analysis of the diary of Constantijn Huygens Jr. (1628-1697) in a social and cultural context"</a>. Onderzoekinformatie.nl. Archived from <a rel="nofollow" class="external text" href="http://www.onderzoekinformatie.nl/nl/oi/biza/d42100o/OND1334266/">the original</a> on 2011-06-09<span class="reference-accessdate">. Retrieved <span class="nowrap">2014-03-08</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Project%3A+Court+culture%2C+time+consciousness+and+the+development+of+autobiographical+writing+in+the+seventeenth+century.+An+analysis+of+the+diary+of+Constantijn+Huygens+Jr.+%281628-1697%29+in+a+social+and+cultural+context&rft.pub=Onderzoekinformatie.nl&rft_id=http%3A%2F%2Fwww.onderzoekinformatie.nl%2Fnl%2Foi%2Fbiza%2Fd42100o%2FOND1334266%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3AConstantijn+Huygens+Jr." class="Z3988"></span></span> </li> <li id="cite_note-18"><span class="mw-cite-backlink"><b><a href="#cite_ref-18">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFSmithSchmidt2008" class="citation book cs1">Smith, Pamela H.; Schmidt, Benjamin (2008). <a rel="nofollow" class="external text" href="https://books.google.com/books?id=enUIIGNZiY4C&pg=PA133"><i>Making Knowledge in Early Modern Europe: Practices, Objects, and Texts, 1400 - 1800</i></a>. p. 133. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/978-0-226-76329-3" title="Special:BookSources/978-0-226-76329-3"><bdi>978-0-226-76329-3</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Making+Knowledge+in+Early+Modern+Europe%3A+Practices%2C+Objects%2C+and+Texts%2C+1400+-+1800&rft.pages=133&rft.date=2008&rft.isbn=978-0-226-76329-3&rft.aulast=Smith&rft.aufirst=Pamela+H.&rft.au=Schmidt%2C+Benjamin&rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3DenUIIGNZiY4C%26pg%3DPA133&rfr_id=info%3Asid%2Fen.wikipedia.org%3AConstantijn+Huygens+Jr." class="Z3988"></span></span> </li> <li id="cite_note-19"><span class="mw-cite-backlink"><b><a href="#cite_ref-19">^</a></b></span> <span class="reference-text"><a rel="nofollow" class="external free" href="http://www.nationalgallery.ie/en/Conservation/Featured_Projects/Battle_Of_Boyne/Project_Blog/Blog13_30Sept.aspx">http://www.nationalgallery.ie/en/Conservation/Featured_Projects/Battle_Of_Boyne/Project_Blog/Blog13_30Sept.aspx</a> <a rel="nofollow" class="external text" href="https://web.archive.org/web/20170206105238/http://www.nationalgallery.ie/en/Conservation/Featured_Projects/Battle_Of_Boyne/Project_Blog/Blog13_30Sept.aspx">Archived</a> 2017-02-06 at the <a href="/wiki/Wayback_Machine" title="Wayback Machine">Wayback Machine</a> The Lord of Zuilichem] - website of the National Gallery of Ireland</span> </li> <li id="cite_note-20"><span class="mw-cite-backlink"><b><a href="#cite_ref-20">^</a></b></span> <span class="reference-text"><a rel="nofollow" class="external text" href="http://www.essentialvermeer.com/history/huygens.html#.WJfHs1XhDIU">Constantijn Huygens: Lord of Zuilichem</a> - website of Essential Vermeer</span> </li> <li id="cite_note-21"><span class="mw-cite-backlink"><b><a href="#cite_ref-21">^</a></b></span> <span class="reference-text">HUYGENS Jr. - REDAKTIE, MET HUYGENS OP REIS Tekeningen en dagboeknotities van Constantijn Huygens jr. (1628–1697), secretaris van stadhouder-koning Willem III. Dutch text. Ant., 1983.</span> </li> <li id="cite_note-22"><span class="mw-cite-backlink"><b><a href="#cite_ref-22">^</a></b></span> <span class="reference-text">Henry Schuman (Ed.) Leonardo on the human body, p. 34. Courier Dover Publications, Mineola N.Y. 1983, <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/978-0-486-24483-9" title="Special:BookSources/978-0-486-24483-9">978-0-486-24483-9</a></span> </li> <li id="cite_note-23"><span class="mw-cite-backlink"><b><a href="#cite_ref-23">^</a></b></span> <span class="reference-text">Erwin Panofsky, The Codex Huygens and Leonardo da Vinci's art theory00, the Pierpont Morgan Library codex M.A. 1139, London: The Warburg Institute, 1940.</span> </li> <li id="cite_note-24"><span class="mw-cite-backlink"><b><a href="#cite_ref-24">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFBeanStampfle1965" class="citation book cs1">Bean, Jacob; Stampfle, Felice (1965). <i>Drawings from New York Collections I: The Italian Renaissance</i>. Greenwich, CT: Metropolitan Museum of Art. pp. 81–82.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Drawings+from+New+York+Collections+I%3A+The+Italian+Renaissance&rft.place=Greenwich%2C+CT&rft.pages=81-82&rft.pub=Metropolitan+Museum+of+Art&rft.date=1965&rft.aulast=Bean&rft.aufirst=Jacob&rft.au=Stampfle%2C+Felice&rfr_id=info%3Asid%2Fen.wikipedia.org%3AConstantijn+Huygens+Jr." class="Z3988"></span></span> </li> <li id="cite_note-25"><span class="mw-cite-backlink"><b><a href="#cite_ref-25">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.themorgan.org/collection/Codex-Huygens">"Leonardo da Vinci and the Codex Huygens"</a>. <i>The Morgan Library & Museum</i>. October 22, 2013<span class="reference-accessdate">. Retrieved <span class="nowrap">October 2,</span> 2019</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=The+Morgan+Library+%26+Museum&rft.atitle=Leonardo+da+Vinci+and+the+Codex+Huygens&rft.date=2013-10-22&rft_id=https%3A%2F%2Fwww.themorgan.org%2Fcollection%2FCodex-Huygens&rfr_id=info%3Asid%2Fen.wikipedia.org%3AConstantijn+Huygens+Jr." class="Z3988"></span></span> </li> <li id="cite_note-26"><span class="mw-cite-backlink"><b><a href="#cite_ref-26">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://repub.eur.nl/res/pub/17079/Rudolf%20Dekker%20and%20Judy%20Marcure%20-%20Sexuality%2C%20Elites%2C%20and%20Court%20Life%20in%20the%20La.pdf">"Rudolf Dekker and Judy Marcure - Sexuality, Elites, and Court Life in the Late Seventeenth Century: The Diaries of Constantijn Huygens Jr. - Eighteenth-Century Life 23:3"</a> <span class="cs1-format">(PDF)</span><span class="reference-accessdate">. Retrieved <span class="nowrap">2014-03-08</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Rudolf+Dekker+and+Judy+Marcure+-+Sexuality%2C+Elites%2C+and+Court+Life+in+the+Late+Seventeenth+Century%3A+The+Diaries+of+Constantijn+Huygens+Jr.+-+Eighteenth-Century+Life+23%3A3&rft_id=http%3A%2F%2Frepub.eur.nl%2Fres%2Fpub%2F17079%2FRudolf%2520Dekker%2520and%2520Judy%2520Marcure%2520-%2520Sexuality%252C%2520Elites%252C%2520and%2520Court%2520Life%2520in%2520the%2520La.pdf&rfr_id=info%3Asid%2Fen.wikipedia.org%3AConstantijn+Huygens+Jr." class="Z3988"></span></span> </li> </ol></div></div> <div class="mw-heading mw-heading2"><h2 id="External_links">External links</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Constantijn_Huygens_Jr.&action=edit&section=6" title="Edit section: External links"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1235681985">.mw-parser-output .side-box{margin:4px 0;box-sizing:border-box;border:1px solid #aaa;font-size:88%;line-height:1.25em;background-color:var(--background-color-interactive-subtle,#f8f9fa);display:flow-root}.mw-parser-output .side-box-abovebelow,.mw-parser-output .side-box-text{padding:0.25em 0.9em}.mw-parser-output .side-box-image{padding:2px 0 2px 0.9em;text-align:center}.mw-parser-output .side-box-imageright{padding:2px 0.9em 2px 0;text-align:center}@media(min-width:500px){.mw-parser-output .side-box-flex{display:flex;align-items:center}.mw-parser-output .side-box-text{flex:1;min-width:0}}@media(min-width:720px){.mw-parser-output .side-box{width:238px}.mw-parser-output .side-box-right{clear:right;float:right;margin-left:1em}.mw-parser-output .side-box-left{margin-right:1em}}</style><style data-mw-deduplicate="TemplateStyles:r1237033735">@media print{body.ns-0 .mw-parser-output .sistersitebox{display:none!important}}@media screen{html.skin-theme-clientpref-night .mw-parser-output .sistersitebox img[src*="Wiktionary-logo-en-v2.svg"]{background-color:white}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .sistersitebox img[src*="Wiktionary-logo-en-v2.svg"]{background-color:white}}</style><div class="side-box side-box-right plainlinks sistersitebox"><style data-mw-deduplicate="TemplateStyles:r1126788409">.mw-parser-output .plainlist ol,.mw-parser-output .plainlist ul{line-height:inherit;list-style:none;margin:0;padding:0}.mw-parser-output .plainlist ol li,.mw-parser-output .plainlist ul li{margin-bottom:0}</style> <div class="side-box-flex"> <div class="side-box-image"><span class="noviewer" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/30px-Commons-logo.svg.png" decoding="async" width="30" height="40" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/45px-Commons-logo.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/59px-Commons-logo.svg.png 2x" data-file-width="1024" data-file-height="1376" /></span></span></div> <div class="side-box-text plainlist">Wikimedia Commons has media related to <span style="font-weight: bold; font-style: italic;"><a href="https://commons.wikimedia.org/wiki/Category:Constantijn_Huygens_Jr." class="extiw" title="commons:Category:Constantijn Huygens Jr.">Constantijn Huygens Jr.</a></span>.</div></div> </div> <ul><li><span class="languageicon">(in Dutch)</span> <a rel="nofollow" class="external text" href="http://www.dbnl.org/tekst/molh003nieu01_01/molh003nieu01_01_1863.php">DBNL</a></li> <li><a rel="nofollow" class="external text" href="https://vimeo.com/68603981">Rudolf M. 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