TY - BOOK AU - Entwistle, Lawson TI - The postal markings of the Canal Zone : Canal Zone Study Group. Handbook ; No. 5 PY - 1982/// PB - Canal Zone Study Group KW - Canal Zone | Postal Markings | Military Mail | Maritime Mail | Postal Markings -- Naval | Railway Mail | Post Offices | Bibliographies | Postal History | Registered Mail | United States Related | United States | World War II, 1939-1945 ER -