AP Images is one of the world's largest collections of historical and contemporary imagery...

Over 5,000 digitized images of buildings and cities drawn from across time and throughout the world...

International cooperative project which contains digitized versions of millions of cultural artifacts from European countries...

Google Books provides access to the complete LIFE Magazine archive from the inception of the magazine in 1935 to the last issue in 1972...

Contains "millions of photographs from the LIFE photo archive, stretching from the 1750s to today...

A collection of more than half a million "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...

Photographs and documents, both current and historical, of Ohio University Libraries staff, buildings, and students...

A search engine for images which can translate search terms into any of hundreds of languages and return results from both Flickr and Google Images...

Commercial site for photo submission and critique...

Listing from Wikipedia of sites which contain images in the public domain, i...

Online archive of over 100,000 photos from 1995 to the present...

Database of "dozens of digital image collections from Museums, Universities and private collections throughout the world" in five categories: cartography, fine arts, architecture, photography, and other...

International project, led by UNESCO and the Library of Congress, for digitizing cultural artifacts from around the world, drawing material from more than 30 national libraries and other institutions from around the world...