TY - BOOK AU - Harper, Alf TI - German Occupied Poland PY - 1972/// CY - Darlington, England PB - A. Harper KW - Germany -- Occupation of Poland (1939-1944) | Poland | Occupation Issues | World War II, 1939-1945 | Military and War Issues | Provisionals and Forerunners | Overprints and Surcharges | General Gouvernement | Postal History | Postal Markings | Slogan | Propaganda | Third Reich | Deutsche Dienstpost | Postal Service | Post Offices | Mobile Post Offices | Postal Routes | Railway Mail | Production | Designs | Errors and Varieties | Official Mail | Registered Mail | Post Office Seals and Labels | Seals and Labels | Postal Stationery | Cards | Souvenir Cards | Semi-official Issues | Cinderella Material | Prisoner-of-War and Internee Mail | Censored Mail | Military Mail | Polish Exile Government ER -