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.
Washington, D.C., circa 1919. "Walter Reed Hospital flu ward." One of the very few images in Washington-area photo archives documenting the influenza contagion of 1918-1919, which killed over 500,000 Americans and tens of millions around the globe. Harris & Ewing glass negative. View full size.