Catalogs & Finding Aids. Use the online catalog to search the Library's collections by keyword or browse materials by subject, title, author & more. While much of our content is available in digital format, a majority of the collections have not yet been digitized.
Keyword (AUTHOR/CREATOR) - Search Tips. Matches search word (s) found in name fields (including names of persons and groups who have authored, created, collected, or performed in a work). All the words entered in the search box are matched. Enter words in any order: william shakespeare or shakespeare William.
The Library of Congress Online Catalog contains approximately 14 million records representing books, serials, computer files, manuscripts, cartographic materials, music, sound recordings, and visual materials. The Online Catalog also displays searching aids for users, such as cross-references and scope notes.
Databases (Library of Congress Electronic Resources Online Catalog). Licensed and recommended free databases, indexing and abstracting services, and full-text reference resources.
Scope of the Catalog. Library of Congress collections contain over 171 million books, periodicals, manuscripts, maps, music, recordings, images, and electronic resources. The LC Catalog contains over 20 million records describing these collections. You can search catalog records by keyword or browse by authors/creators, subjects, names/titles ...
About Advanced Search. Advanced Searchprovides a guided search template that helps you combine keywords found anywhere in the record or in specific record areas (titles, names, subjects, notes, identifiers, publication information, etc.). The Advanced Search shortcut URLis: https://catalog.loc.gov/advanced.
Prints & Photographs Online Catalog. 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.