The National Archives
http://www.archives.gov/research/
The National Park Service
http://www.archives.gov/research/ansel-adams/
U.S. Department of the Interior
http://www.doi.gov/news/photos/Ansel-Adams-Mural-Project-Opens-at-Interior-Department.cfm
"The New York Times" Store
(sells Ansel Adams from the National Archive)
http://mpenphotoevents.blogspot.com/search/label/National%20Archives
