Robert Adams art links 

Museum of Fine Arts, Houston, Texas
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Cleveland Museum of Art, Ohio

Harn Museum at the University of Florida, Gainesville
New Subdivisions, Arvada, 1968-72

Haus der Kunst, Munich (mostly in German)  
Images from a 2005 exhibition

Museum of Contemporary Photography at Columbia College, Chicago
Note the link at the bottom of the page to all works in their collection by Robert Adams

Museum of Fine Arts, Santa Fe, New Mexico

Victoria and Albert Museum, London, UK

 

Masters of Photography

 

PBS
art:21 - Art in the 21st Century

 

Answers.com reference works  
See the "Photography Encyclopedia" entry, which is actually from The Oxford Companion to the Photograph (2005)

Grove Dictionary of Art Online (excerpt)  

Union List of Artist Names (Getty Museum)  
Reference sheet with basic information about the artist and pointers to other references.

PhotoQuotes

"Look Inside" and "Search Inside" Books at Amazon Look Inside Books: Selections from the books listed below are scanned in, in high res. Text is clearly readable and art reproductions vary from so-so to excellent. Don't miss the fact that you can usually zoom in via the "View" drop-down menu, along the top row of Amazon's Online Reader.              Search Inside Books: Same as "Look Inside", except that the entire book is scanned in, and the text is fully searchable. This is an unbelievable resource, for research and especially for previewing a book when making the decision to buy. Note: Some "Search Inside" features are limited to people signed in to an account which has previously made a purchase at Amazon.   look inside Notes for Friends: Along Colorado Roads look inside Perfect Times, Perfect Places look inside West from the Columbia: Views at the River Mouth look inside California: Views by Robert Adams of the Los Angeles Basin, 1978-1983 look inside The New West: Landscapes Along the Colorado Front Range