Image Resources, Architecture Library's Visual Resources Collection 

65,000 architecture, landscape architecture, and urban planning digital images from the Architecture Library's Visual Resources Collection. In the Digital Media Repository.

1000 buildings documented with images, text, and references.

Collection of images and illustrated talks by architects on their work. The collection was started in 1979 and previously available as slide sets with accompanying audio tapes. Digitization is ongoing.

Historic American Buildings Survey and Historic American Engineering Record. Covers 1933 - present. Part of the American Memory project from the Library of Congress.