Mann, Heinrich
Aufbau-Verlag, 1956
Buku Teks
Geizler, Klaus, author
Deutscher Kulturbund , 1971
Buku Teks
Dedi Kurnia, author
1990
UI - Skripsi (Membership)
Guth, Hans P., author
Belmott,
Buku Teks
edited by Michael W. Alssid and William Kenney
Holt, Rinehart and Winston, 1966
Buku Teks