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.) Most 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.

Sam Lippman went to Germany in the early 1930's to study medicine and left some fabulous images of his stay there. Here he visits the Graf Zeppelin in its hangar at Friedrichshafen in June of 1933.
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