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Digital Collections. The Main Reading Room works with partners across the Library to digitize General collections materials, helping all Library users gain access to unique collection items. We regularly digitize select items from its collections of high research value.

The Prints and Photographs Online Catalog (PPOC) contains catalog records and digital images representing a rich cross-section of still pictures held by the Prints & Photographs Division and, in some cases, other units of the Library of Congress.

The Law Library continues to digitize legal and legislative materials to help users gain access to important historical documents. The Law Library regularly adds digitized content, as noted in the About the Collection section for each collection.

Launched in 2009, the World Digital Library was a project of the U.S. Library of Congress, with the support of UNESCO, and contributions from libraries, archives, museums, educational institutions, and international organizations around the world.

Search America's historic newspaper pages from 1756-1963 or use the U.S. Newspaper Directory to find information about American newspapers published between 1690-present. Chronicling America is sponsored jointly by the National Endowment for the Humanities external link and the Library of Congress. Learn more

Digital preservation efforts are distributed throughout many units at the Library of Congress and includes programs related to digital content packaging and ingest, monitoring and reporting of digital storage, sustainable digital file formats, metadata and more.

Ensuring that digital is “baked in” to everything we do is a Library-wide effort. The Library of Congress’s Digital Strategy Directorate focuses on three key areas: digital strategy, emerging technologies, and communities.

The Library of Congress has custody of the largest and most comprehensive cartographic collection in the world with collections numbering over 5.5 million maps, 80,000 atlases, 6,000 reference works, over 500 globes and globe gores, 3,000 raised relief models, and a large number of cartographic materials in other formats, including over 19,000 ...

In addition to these freely available online digital collections, the Library of Congress provides on-site access to a wide range of subscription databases. A list of Newspaper & Current Periodical Reading Room favorites is available through the E-Resources Catalog.