1. Shelley Coll 4_27 Reference (shelfmark): Shelley Coll 4_27 Title: The Spanish Civil War: The International Brigades (Prisoners of War) Scope & Content: (1) Image depicting Carl Geiser, the most senior American to be captured in the Spanish Civil war. (2) Image depicting Carl Geiser's prisoner of war record. Collection Area: Philatelic Collections Languages: English Date Range: 1936-1939 Extent: 1 Page; 2 Items