An internet portal that acts as an interface to millions of books, paintings, films, museum objects and archival records that have been digitised.

The digitized images from the Library of Congress includes 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.

Over 100,000 high resolution images including manuscripts, paintings, etchings, early photography and advertisements are freely available through Wellcome Images. All CC-BY

Database of millions of freely usable image and media files.

Searches major art libraries through WorldCat. Useful to limit your results to just items relevant to art.

Searches through the catalogs of major art libraries world-wide. Includes libraries that are not in Worldcat.

Catalog of several major German art research centers. It has books in all languages, as well as including journal articles. Especially strong in the art of Germany and Italy.

Joint catalog of several major New York art museum libraries.

Over 100,000 high resolution images including manuscripts, paintings, etchings, early photography and advertisements are freely available through Wellcome Images. All CC-BY