World Digital Library (WDL) This link opens in a new windowThe World Digital Library (WDL) is a project of the U.S. Library of Congress, UNESCO, and other partner organizations. The WDL seeks to preserve and share some of the world’s most important cultural objects, increasing access to cultural treasures and significant historical documents to enable discovery, scholarship, and use. Content on the WDL includes books, manuscripts, maps, newspapers, journals, prints and photographs, sound recordings, and films. Each item on the WDL is accompanied by an item-level description that explains its significance and historical context. Other features include advanced image-viewing, timelines, interactive maps, and in-depth thematic sections on selected topics.