Contents of the Collection The William H. J. Blackburn World War I Photograph Collection is a small collection consisting of three photographic prints of Sgt. William H. J. Blackburn and other members of 318th Infantry Army Squadron, 80th Division, serving in France during World War I.All three photographs are black-and-white prints, printed on 3 1/2 x 5 3/8-inch postcard paper stock. One image is an informal portrait of Blackburn in uniform standing with another man, although damage to the print has...