Source: Serbian Section of the Bureau of Relief for Prisoners of War, The Other Side of the Trenches, New York, NY: Serbian Aid Fund, ca. 1917. Armed Services Records Box 55, Folder: “Prisoners of War-Pamphlets in Various Languages-ca. 1914–1918,” Kautz Family YMCA Archives, University of Minnesota, Minneapolis, MN.
Pursuit of an "Unparalleled Opportunity": The American YMCA and Prisoner of War Diplomacy among the Central Power Nations during World War I, 1914-1923