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.
"Two cats, dressed as humans, holding rope, which doll appears to be skipping." Circa 1914 photograph by Harry Whittier Frees. View full size. More on the strangely unsettling photos of Harry Frees here and here. He often used his own cats, Rags and Fluff, with costumes sewn by his mother.