[Letters from Clara Happel, in New York, to her son: 1936-1945].
D005858:Germany; D049673:History, 20th Century; D006801:Humans; D011056:Political Systems / Q000266:history*; D011572:Psychoanalysis / Q000266:history*; D014195:Travel / Q000266:history*; D014481:United States
Lettres d'Amérique de Clara Happel à son fils Peter: 1936-1945.