ARTstor is a non-profit initiative¸ founded by the Andrew W. Mellon Foundation¸ with a mission to use digital technology to enhance scholarship¸ teaching and learning in the arts and associated fields. It is a searchable database of more than 300¸000 digital images and related data. Combinations of images¸ data and text provides comprehensive art-related teaching¸ learning and researching capabilities. Images can be viewed and analyzed through features such as zooming and panning.
"The Center for Creative Photography is an archive and research center located on the University of Arizona campus. It retains the archives of Ansel Adams, Edward Weston, Garry Winogrand, Harry Callahan, and other great twentieth-century photographers. The Center is pleased to announce that its collections of photographs by Edward Weston and Ansel Adams are now available on the University of Arizona Institutional Repository."
"The Library of Congress has made digitized versions of collection materials available online since 1994, concentrating on its most rare collections and those unavailable anywhere else. The following services are your gateway to a growing treasury of digitized photographs, manuscripts, maps, sound recordings, motion pictures, and books, as well as "born digital" materials such as Web sites."