1. Shelley Coll 1_44 Reference (shelfmark): Shelley Coll 1_44 Title: The Spanish Civil War: The International Brigades (The Research Department) Scope & Content: Cover dated September 1938. USA to International Brigade Headquarters at Barcelona. Returned to sender. Collection Area: Philatelic Collections Languages: English Date Range: 1938 Extent: 1 Page, 1 Item