Klewitz, T., Nord-Vietnam 1945-55, Marken-und Postgeschichte-Hdb., ... AUT-Rathje study on the first postage

study on the first postage stamps of the Soviet Union and the postal situation in Russia from the October Revolution to the beginning of the 1920s

Sotheby's London 28/29

the counterfeiting workshop in the Sachsenhausen concentration camp

loan from the Nuremberg Postal Museum

Mountrobeck Collection of Long Island Stamps & Postal History

Klewitz, T., Nord-Vietnam 1945-55, Marken-und Postgeschichte-Hdb., ... AUT-Rathje study on the first postageKlewitz, T., North Vietnam 1945 55, Stamp and Postal History Handbook, only published as reports number 10 of the New Handbook of Stamp Studies, August 1955, 48 pages, with various illustrations. #45638