Arntz, Helmut
Facts about Germany
Press and Information Office of the Federal German, 1962
Buku Teks
Facts about Germany
Berlin : Media Consulta, 1993
Buku Teks
Facts about Germany
Media Consulta, 2003
Buku Referensi
Arntz, Helmut
Facts about Germany
Media Consulta, 1962
Buku Teks
Zweig, Arnold
Essays
Berlin Aufbau 1959
Buku Teks