About.com: Photography
http://photography.about.com/
“An Internet guide for photography & photographers, with feature articles, Website links, and discussion forums. Topics covered include cameras & other equipment, landscape photography, portraits, photojournalism, travel photography, and famous photographers.”
"Kodak is a technology company focused on imaging. We provide - directly and through partnerships with other innovative companies - hardware, software, consumables and services to customers in graphic arts, commercial print, publishing, packaging, electronic displays, entertainment, and commercial films, and consumer products markets."
Masters of Photography
http://www.masters-of-photography.com/index.html
Patrons interested in the art of photography will enjoy browsing through this site, which features biographies on many famous photographers (contemporary and older), as well as scanned images of their works.
Encyclopedia of Twentieth-Century Photography by 
Bryan Peterson's Understanding Photography Field Guide by 
The Encyclopedia of Photography Techniques by 
Teach Yourself Visually Digital Photography by 
Exploring Color Photography by 
American photography [videorecording] : a century of images by 
