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menu-item-type-post_type menu-item-object-page menu-item-2848"><a href="https://clockss.org/whats-in-clockss/archived-content/" class="menu-link"><span class="ast-icon icon-arrow"><svg class="ast-arrow-svg" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1" x="0px" y="0px" width="26px" height="16.043px" viewBox="57 35.171 26 16.043" enable-background="new 57 35.171 26 16.043" xml:space="preserve"> <path d="M57.5,38.193l12.5,12.5l12.5-12.5l-2.5-2.5l-10,10l-10-10L57.5,38.193z"/> </svg></span>Archived Content</a></li> <li id="menu-item-2846" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-2846"><a href="https://clockss.org/triggered-content/" class="menu-link"><span class="ast-icon icon-arrow"><svg class="ast-arrow-svg" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1" x="0px" y="0px" width="26px" height="16.043px" viewBox="57 35.171 26 16.043" enable-background="new 57 35.171 26 16.043" xml:space="preserve"> <path d="M57.5,38.193l12.5,12.5l12.5-12.5l-2.5-2.5l-10,10l-10-10L57.5,38.193z"/> </svg></span>Triggered Content</a></li> </ul> </li> <li id="menu-item-2838" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-has-children menu-item-2838"><a aria-expanded="false" href="https://clockss.org/digital-archive-community/" class="menu-link">Community<span role="application" class="dropdown-menu-toggle ast-header-navigation-arrow" tabindex="0" aria-expanded="false" aria-label="Menu Toggle" ><span class="ast-icon icon-arrow"><svg class="ast-arrow-svg" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1" x="0px" y="0px" width="26px" height="16.043px" viewBox="57 35.171 26 16.043" enable-background="new 57 35.171 26 16.043" xml:space="preserve"> <path d="M57.5,38.193l12.5,12.5l12.5-12.5l-2.5-2.5l-10,10l-10-10L57.5,38.193z"/> </svg></span></span></a><button class="ast-menu-toggle" aria-expanded="false"><span class="screen-reader-text">Menu Toggle</span><span class="ast-icon icon-arrow"><svg class="ast-arrow-svg" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1" x="0px" y="0px" width="26px" height="16.043px" viewBox="57 35.171 26 16.043" enable-background="new 57 35.171 26 16.043" xml:space="preserve"> <path d="M57.5,38.193l12.5,12.5l12.5-12.5l-2.5-2.5l-10,10l-10-10L57.5,38.193z"/> </svg></span></button> <ul class="sub-menu"> <li id="menu-item-2850" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-2850"><a href="https://clockss.org/digital-archive-community/" class="menu-link"><span class="ast-icon icon-arrow"><svg class="ast-arrow-svg" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1" x="0px" y="0px" width="26px" height="16.043px" viewBox="57 35.171 26 16.043" enable-background="new 57 35.171 26 16.043" xml:space="preserve"> <path d="M57.5,38.193l12.5,12.5l12.5-12.5l-2.5-2.5l-10,10l-10-10L57.5,38.193z"/> </svg></span>Digital Archive Community</a></li> <li id="menu-item-2843" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-2843"><a href="https://clockss.org/digital-archive-community/supporting-libraries/" class="menu-link"><span class="ast-icon icon-arrow"><svg class="ast-arrow-svg" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1" x="0px" y="0px" width="26px" height="16.043px" viewBox="57 35.171 26 16.043" enable-background="new 57 35.171 26 16.043" xml:space="preserve"> <path d="M57.5,38.193l12.5,12.5l12.5-12.5l-2.5-2.5l-10,10l-10-10L57.5,38.193z"/> </svg></span>Supporting Academic Libraries</a></li> <li id="menu-item-2842" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-2842"><a href="https://clockss.org/digital-archive-community/participating-publishers/" class="menu-link"><span class="ast-icon icon-arrow"><svg class="ast-arrow-svg" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1" x="0px" y="0px" width="26px" height="16.043px" viewBox="57 35.171 26 16.043" enable-background="new 57 35.171 26 16.043" xml:space="preserve"> <path d="M57.5,38.193l12.5,12.5l12.5-12.5l-2.5-2.5l-10,10l-10-10L57.5,38.193z"/> </svg></span>Participating Academic Publishers</a></li> <li id="menu-item-2839" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-2839"><a href="https://clockss.org/digital-archive-community/board-of-directors/" class="menu-link"><span class="ast-icon icon-arrow"><svg class="ast-arrow-svg" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1" x="0px" y="0px" width="26px" height="16.043px" viewBox="57 35.171 26 16.043" enable-background="new 57 35.171 26 16.043" xml:space="preserve"> <path d="M57.5,38.193l12.5,12.5l12.5-12.5l-2.5-2.5l-10,10l-10-10L57.5,38.193z"/> </svg></span>CLOCKSS Board of Directors</a></li> <li id="menu-item-2840" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-2840"><a href="https://clockss.org/digital-archive-community/team/" class="menu-link"><span class="ast-icon icon-arrow"><svg class="ast-arrow-svg" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1" x="0px" y="0px" width="26px" height="16.043px" viewBox="57 35.171 26 16.043" enable-background="new 57 35.171 26 16.043" xml:space="preserve"> <path d="M57.5,38.193l12.5,12.5l12.5-12.5l-2.5-2.5l-10,10l-10-10L57.5,38.193z"/> </svg></span>CLOCKSS Team</a></li> <li id="menu-item-2841" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-2841"><a href="https://clockss.org/digital-archive-community/community-partners/" class="menu-link"><span class="ast-icon icon-arrow"><svg class="ast-arrow-svg" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1" x="0px" y="0px" width="26px" height="16.043px" viewBox="57 35.171 26 16.043" enable-background="new 57 35.171 26 16.043" xml:space="preserve"> <path d="M57.5,38.193l12.5,12.5l12.5-12.5l-2.5-2.5l-10,10l-10-10L57.5,38.193z"/> </svg></span>Partners</a></li> <li id="menu-item-2845" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-2845"><a href="https://clockss.org/projects/" class="menu-link"><span class="ast-icon icon-arrow"><svg class="ast-arrow-svg" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1" x="0px" y="0px" width="26px" height="16.043px" viewBox="57 35.171 26 16.043" enable-background="new 57 35.171 26 16.043" xml:space="preserve"> <path d="M57.5,38.193l12.5,12.5l12.5-12.5l-2.5-2.5l-10,10l-10-10L57.5,38.193z"/> </svg></span>Projects – Advancing Digital Preservation</a></li> </ul> </li> <li id="menu-item-2832" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-2832"><a href="https://clockss.org/news/" class="menu-link">News</a></li> <li id="menu-item-2837" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-2837"><a href="https://clockss.org/clockssface/" class="menu-link">CLOCKSSface</a></li> <li id="menu-item-2852" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-2852"><a href="https://clockss.org/join-clockss/" class="menu-link">Join CLOCKSS</a></li> <li id="menu-item-2851" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-2851"><a href="https://clockss.org/contact-us/" class="menu-link">Contact Us</a></li> </ul></div></nav></div></div> </div> </div> </div> </header> <div id="content" class="site-content"> <div class="ast-container"> <div id="primary" class="content-area primary"> <main id="main" class="site-main"> <article class="post-18 page type-page status-publish ast-article-single" id="post-18" itemtype="https://schema.org/CreativeWork" itemscope="itemscope"> <header class="entry-header ast-no-title ast-header-without-markup"> </header>  <div class="entry-content clear" itemprop="text"> <div class="fl-builder-content fl-builder-content-18 fl-builder-content-primary fl-builder-global-templates-locked" data-post-id="18"><div class="fl-row fl-row-full-width fl-row-bg-photo fl-node-sxrzwovh0ayl fl-row-custom-height fl-row-align-center" data-node="sxrzwovh0ayl"> <div class="fl-row-content-wrap"> <div class="fl-row-content fl-row-fixed-width fl-node-content"> <div class="fl-col-group fl-node-v3dz7btrag1n" data-node="v3dz7btrag1n"> <div class="fl-col fl-node-q59gyod6j8r1 fl-col-bg-color" data-node="q59gyod6j8r1"> <div class="fl-col-content fl-node-content"><div class="fl-module fl-module-heading fl-node-5uy7eo8hfw6x" data-node="5uy7eo8hfw6x"> <div class="fl-module-content fl-node-content"> <h2 class="fl-heading"> <span class="fl-heading-text">What's in CLOCKSS</span> </h2> </div> </div> </div> </div> </div> </div> </div> </div> <div class="fl-row fl-row-full-width fl-row-bg-none fl-node-62b1c227183db fl-row-default-height fl-row-align-center" data-node="62b1c227183db"> <div class="fl-row-content-wrap"> <div class="fl-row-content fl-row-fixed-width fl-node-content"> <div class="fl-col-group fl-node-g9okh4tbjydw" data-node="g9okh4tbjydw"> <div class="fl-col fl-node-ofksudc9gihz fl-col-bg-color fl-col-small" data-node="ofksudc9gihz"> <div class="fl-col-content fl-node-content"><div class="fl-module fl-module-rich-text fl-node-6391f47c5ec76" data-node="6391f47c5ec76"> <div class="fl-module-content fl-node-content"> <div class="fl-rich-text"> <h4><strong>Preserving scholarship for future generations</strong></h4> <p>Transparency is an essential part of digital preservation. To ensure that information about our archival holdings is widely available, CLOCKSS provides full information on this page, and we also participate in the <a href="https://keepers.issn.org/" target="_blank" rel="noopener">Keepers Registry</a> run by the ISSN International Centre. The Keepers Registry aggregates preservation information provided by participating preservation agencies to make it easier to discover what is preserved where.</p> <p>New reports are made available to the Keepers Registry on the first day of the month at around 12:00 UTC.</p> </div> </div> </div> <div class="fl-module fl-module-button fl-node-3fpwhrlv5et6" data-node="3fpwhrlv5et6"> <div class="fl-module-content fl-node-content"> <div class="fl-button-wrap fl-button-width-custom fl-button-left"> <a href="https://clockss.org/whats-in-clockss/archived-content/" target="_self" class="fl-button"> <span class="fl-button-text">Archived Content</span> </a> </div> </div> </div> <div class="fl-module fl-module-button fl-node-goanmhsl1vx6" data-node="goanmhsl1vx6"> <div class="fl-module-content fl-node-content"> <div class="fl-button-wrap fl-button-width-auto fl-button-left"> <a href="https://clockss.org/triggered-content/" target="_self" class="fl-button"> <span class="fl-button-text">Triggered Content</span> </a> </div> </div> </div> </div> </div> <div class="fl-col fl-node-tjh4qimz18g2 fl-col-bg-color fl-col-small" data-node="tjh4qimz18g2"> <div class="fl-col-content fl-node-content"><div class="fl-module fl-module-heading fl-node-ofz2gradsw93" data-node="ofz2gradsw93"> <div class="fl-module-content fl-node-content"> <h2 class="fl-heading"> <span class="fl-heading-text">CLOCKSS by Numbers</span> </h2> </div> </div> <div class="fl-module fl-module-heading fl-node-8t1dm5l62gir" data-node="8t1dm5l62gir"> <div class="fl-module-content fl-node-content"> <h2 class="fl-heading"> <span class="fl-heading-text">57.5 Million</span> </h2> </div> </div> <div class="fl-module fl-module-rich-text fl-node-msui7tjgdx82" data-node="msui7tjgdx82"> <div class="fl-module-content fl-node-content"> <div class="fl-rich-text"> <p>Journal Articles</p> </div> </div> </div> <div class="fl-module fl-module-separator fl-node-v1zcq3kjhg5n" data-node="v1zcq3kjhg5n"> <div class="fl-module-content fl-node-content"> <div class="fl-separator"></div> </div> </div> <div class="fl-module fl-module-heading fl-node-jdf5y9843nwc" data-node="jdf5y9843nwc"> <div class="fl-module-content fl-node-content"> <h2 class="fl-heading"> <span class="fl-heading-text">530,500</span> </h2> </div> </div> <div class="fl-module fl-module-rich-text fl-node-0prb6jwcy8vk" data-node="0prb6jwcy8vk"> <div class="fl-module-content fl-node-content"> <div class="fl-rich-text"> <p>Books</p> </div> </div> </div> <div class="fl-module fl-module-separator fl-node-31rzadif8o5k" data-node="31rzadif8o5k"> <div class="fl-module-content fl-node-content"> <div class="fl-separator"></div> </div> </div> <div class="fl-module fl-module-heading fl-node-zgnyorbqfa5i" data-node="zgnyorbqfa5i"> <div class="fl-module-content fl-node-content"> <h2 class="fl-heading"> <span class="fl-heading-text">70</span> </h2> </div> </div> <div class="fl-module fl-module-rich-text fl-node-njqlc1sxap7f" data-node="njqlc1sxap7f"> <div class="fl-module-content fl-node-content"> <div class="fl-rich-text"> <p>Triggered Titles Open Access</p> </div> </div> </div> <div class="fl-module fl-module-separator fl-node-wb2vkaot1n76" data-node="wb2vkaot1n76"> <div class="fl-module-content fl-node-content"> <div class="fl-separator"></div> </div> </div> <div class="fl-module fl-module-heading fl-node-hfeg0ib2pwd3" data-node="hfeg0ib2pwd3"> <div class="fl-module-content fl-node-content"> <h2 class="fl-heading"> <span class="fl-heading-text">12</span> </h2> </div> </div> <div class="fl-module fl-module-rich-text fl-node-80tar3ouznp4" data-node="80tar3ouznp4"> <div class="fl-module-content fl-node-content"> <div class="fl-rich-text"> <p>Mirror Repository Sites</p> </div> </div> </div> <div class="fl-module fl-module-separator fl-node-bvjn835ruskc" data-node="bvjn835ruskc"> <div class="fl-module-content fl-node-content"> <div class="fl-separator"></div> </div> </div> <div class="fl-module fl-module-heading fl-node-0mtsekxyv3ra" data-node="0mtsekxyv3ra"> <div class="fl-module-content fl-node-content"> <h2 class="fl-heading"> <span class="fl-heading-text">300</span> </h2> </div> </div> <div class="fl-module fl-module-rich-text fl-node-sif7eqnjucxm" data-node="sif7eqnjucxm"> <div class="fl-module-content fl-node-content"> <div class="fl-rich-text"> <p>Supporting Libraries</p> </div> </div> </div> <div class="fl-module fl-module-separator fl-node-vbzs73ot1l48" data-node="vbzs73ot1l48"> <div class="fl-module-content fl-node-content"> <div class="fl-separator"></div> </div> </div> <div class="fl-module fl-module-heading fl-node-dm19t4lfeh2z" data-node="dm19t4lfeh2z"> <div class="fl-module-content fl-node-content"> <h2 class="fl-heading"> <span class="fl-heading-text">607</span> </h2> </div> </div> <div class="fl-module fl-module-rich-text fl-node-np93aw1uebgr" data-node="np93aw1uebgr"> <div class="fl-module-content fl-node-content"> <div class="fl-rich-text"> <p>Participating Publishers</p> </div> </div> </div> </div> </div> </div> </div> </div> </div> </div> </div> </article> </main> </div> </div>  </div> <footer class="site-footer" id="colophon" itemtype="https://schema.org/WPFooter" itemscope="itemscope" itemid="#colophon"> <div class="site-above-footer-wrap ast-builder-grid-row-container site-footer-focus-item ast-builder-grid-row-full ast-builder-grid-row-tablet-full ast-builder-grid-row-mobile-full ast-footer-row-stack ast-footer-row-tablet-stack ast-footer-row-mobile-stack" data-section="section-above-footer-builder"> <div class="ast-builder-grid-row-container-inner"> <div class="ast-builder-footer-grid-columns site-above-footer-inner-wrap ast-builder-grid-row"> <div class="site-footer-above-section-1 site-footer-section site-footer-section-1"> <div class="footer-widget-area widget-area site-footer-focus-item ast-footer-html-3" data-section="section-fb-html-3"> <div class="ast-header-html inner-link-style-"><div class="ast-builder-html-element"><p><span style="color: #000000">CLOCKSS is a tax-exempt, 501(c)(3), not-for-profit organization, governed by a Board of Directors made up of librarians and publishers.</span></p> </div></div> </div> </div> </div> </div> </div> <div class="site-primary-footer-wrap ast-builder-grid-row-container site-footer-focus-item ast-builder-grid-row-5-equal ast-builder-grid-row-tablet-5-equal ast-builder-grid-row-mobile-full ast-footer-row-stack ast-footer-row-tablet-stack ast-footer-row-mobile-stack" data-section="section-primary-footer-builder"> <div class="ast-builder-grid-row-container-inner"> <div class="ast-builder-footer-grid-columns site-primary-footer-inner-wrap ast-builder-grid-row"> <div class="site-footer-primary-section-1 site-footer-section site-footer-section-1"> <div class="footer-widget-area widget-area site-footer-focus-item ast-footer-html-1" data-section="section-fb-html-1"> <div class="ast-header-html inner-link-style-"><div class="ast-builder-html-element"><ul> <li style="text-align: left"><span style="background-color: #ffffff;color: #333399"><a style="background-color: #ffffff;color: #333399" href="https://clockss.org/about/"><span style="font-size: 10pt;background-color: #ffffff">About CLOCKSS</span></a></span></li> <li style="text-align: left"><span style="background-color: #ffffff;color: #333399"><a style="background-color: #ffffff;color: #333399" href="https://clockss.org/about/why-clockss/"><span style="font-size: 10pt;background-color: #ffffff">Why CLOCKSS</span></a></span></li> <li style="text-align: left"><span style="background-color: #ffffff;color: #333399"><a style="background-color: #ffffff;color: #333399" href="https://clockss.org/about/how-clockss-works/"><span style="font-size: 10pt;background-color: #ffffff">How CLOCKSS Works</span></a></span></li> <li style="text-align: left"><span style="font-size: 10pt;background-color: #ffffff;color: #333399"><a style="background-color: #ffffff;color: #333399" 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