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United States History: Locating Resources

Help History Majors with Locating Resources on United States History

Major Collections of Primary Sources


These collections bring together millions of items ranging from manuscript material to photographs, from books to film. The collections are strongest in pre-1925 material due to copyright considerations.

LOC: Library of Congress Digital Collections
Historic photographs, presidential papers, and more from the Library of Congress (migrated from the American Memory project)
DPLA: Digital Public Library of America
Over 20 million images, texts, videos, and sounds from "America’s libraries, archives, museums, and other cultural heritage institutions."
NYPL: NYPL Digital Library
More than 800,000 historical photographs, posters, maps, and other images from the collections of the New York Public Library