1. Philatelic 4 Reference (shelfmark): Philatelic 4 Title: Bojanowicz Collection Scope & Content: Collection of Polish 1938-1946 postage stamps and postal history. Includes ghetto posts, underground posts, Warsaw Scout post, Polish Government in Exile, Prisoner of War mail and Polish Free Forces. Collection Area: Philatelic Collections Languages: English Date Range: 1938-1946 Extent: 9 Volumes