The Sidney D Gamble Photograph Collection at Duke University consists of about 5,000 newly digitised pictures, taken predominantly in China between 1917 and 1932. Browse by subject, category or location tags. Photos taken in 1908 are to be added in the future. [via]
posted on Jul 9, 2008 - View this thread

Picturing the Museum: The American Museum of Natural History Photo Collection.
posted on Jun 26, 2008 - View this thread

The non-profit group, Public.resource.org, are challenging the Smithsonian Institution by downloading all 6,288 (mostly) public domain photographs from the very restrictive Smithsonian Images site and reposting them to Flickr. [more: here, here] {via Ramage}
posted on May 18, 2007 - View this thread

The Cliff House was San Francisco Mayor Adolph Sutro's amazing 7-storey Victorian chateau built in 1896 and destroyed by fire in 1907. The Cliff House Project (photos) has a large and absorbing database of related material. [via the indefatigable gmtPlus9 (-15)]
posted on Dec 14, 2006 - View this thread

Heli-Africa - Wildlife photographer Michael Poliza's photo journal from a just completed 2 month helicopter tour from Hamburg to Cape Town. These are a few samples to potentially whet the appetite.
posted on Dec 2, 2006 - View this thread

Some Photographs:
New York club scene in the 70's
Mingle's America in the 80's
NSFW (first link is a biggish load on dialup)
posted on Jun 18, 2005 - View this thread

San Joaquin Valley & Sierra Foothills Photo Heritage

Includes (among other things): portraits, workers, railways, disasters, group shots, parades , native Americans and some curios.
(nearly 3000 images accessible)
posted on Jun 11, 2005 - View this thread