Among the subjects represented are group photographs and portraits of members of the International Brigades (Including British, Dimitrov, Dombrowski, Lincoln-Washington and MacKenzie Papineau Battalions), International Brigades training, life in camp, leisure activities, International Brigades Band, Spanish Republican military leaders, Communist Party leaders (including Earl Browder and Harry Pollitt), distinguished visitors such as Langston Hughes and George Orwell (Eric Blair), and a photo album compiled by Major Stefanovich prior to the Brunete offensive.