Genehmigt für den Gebrauch in Schulen durch Education and Religious Affairs Branch, Office of Military Government for Germany (US) am 31.V.46, file no. GE-IA 350.01 (Germany)
Genehmigt für den Gebrauch in Schulen durch Education and Religious Affairs Branch, Office of Military Government for Germany (US) am 11.VII.46. file no. GE-IA 350.01 (Germany)