Three propaganda postcards produced to communicate perceived threats faced by Germany in the years preceding World War II. Postcards are entitled "Wer braucht Sicherheit im Osten?" ["Who Needs Security in the East?]; "Deutschlands Abrukung und die Rüstung siner Nachbarn" ["Germany's Disarmament and the Armament of its Neighbors"]; "Die Luftbedrohung Deutschlands" ["The Air Threat to Germany"].