American Memory Project--from the Library of Congress, contains primary textual and graphical sources relating to American history and culture. "Provides free and open access through the Internet to written and spoken words, sound recordings, still and moving images, prints, maps, and sheet music that document the American experience."

Archives Hub--a national gateway to descriptions of digital archives in UK colleges and universities

Civil Rights Digital Library--from the University of Georgia, delivers online educational content on the Civil rights Movement.  Includes a digital video archive of historical news; films, oral histories, letters, and photographs from libraries, archives, and museums; and instructional materials.

Minnesota Reflections--from the Minnesota Digital Library Coalition, provides access to more than 6,000 images from 28 collections from around the state.

New York Public Library Digital Gallery--NYPL Digital Gallery "provides access to over 373,000 images digitized from primary sources and printed rarities in the collections of The New York Public Library, including illuminated manuscripts, historical maps, vintage posters, rare prints and photographs, illustrated books, printed ephemera, and more."

OAIster Search--"is a project of the University of Michigan Digital Library Production Service. Our goal is to create a collection of freely available, previously difficult-to-access, academically-oriented digital resources that are easily searchable by anyone."

Prints and Photographs Reading Room (online catalog)--From the Library of Congress,  print and photograph collections containing more than 13.7 million images. These include photographs, fine and popular prints and drawings, posters, and architectural and engineering drawings. While international in scope, the collections are particularly rich in materials produced in, or documenting the history of, the United States and the lives, interests and achievements of the American people."

Smithsonian Images--Search selected images from the Smithsonian collection, download free screen resolution images, and purchase prints or digital images.

Smithsonian Photographs Online--Visit the photography exhibits at the Smithsonian Institution.

TimeLife Pictures--"Time Life Pictures represents some of the world's most recognizable imagery. On this website, we offer content from the finest photojournalists, documenting past and present political and cultural events, as well as celebrities and the American experience."