1. Shelley Coll 4_53 Reference (shelfmark): Shelley Coll 4_53 Title: The Spanish Civil War: The International Brigades (Foreigners in Republican Spain's Air Force) Scope & Content: Cover received on 17 March 1937. From Charles Koch to his wife in Bristol, Pennsylvania then re-directed to New York. Collection Area: Philatelic Collections Languages: English Date Range: 17 Mar 1937 Extent: 1 Page; 1 Item