1
2
Published: Frankfurt/Main u.a. : Ullstein, 1987.
Book
3
4
5
6
Published: Frankfurt am Main : Eichborn, 2003.
Book
7
8
Published: Berlin : Gedenkstätte Dt. Widerstand
Serial
10
Book
11
Published: Berlin : Neumann, 1919.
Book
12
Book
13