Most of the photos on this site were extracted from reference images (high-resolution tiffs, 20 to 200 megabytes in size) from the Library of Congress research archive. (To query the database click here.) Many were digitized by LOC contractors using a Sinar studio back. They are adjusted by your webmaster for contrast and color in Photoshop before being downsized and turned into the jpegs you see here.
Large-format (mostly 4x5) Kodachrome transparencies shot for the Office of War Information. Repository: Library of Congress Prints & Photographs Division. The images you see here have been adjusted by the Webmaster for color and contrast.