1. Shelley Coll 5_33 Reference (shelfmark): Shelley Coll 5_33 Title: The Spanish Civil War: The International Brigades (Swedish Social Help) Scope & Content: Picture postcard postmarked 1 May 1937. Madrid to Stockholm, Sweden. Collection Area: Philatelic Collections Languages: English Date Range: 1 May 1937 Extent: 1 Page; 1 Item