2
by Honecker, Erich, Hermann, Joachim
published 1985
Book
3
published 1985
Book
6
by Verner, Paul
published 1982
Book Conference Proceedings
7
by Honecker, Erich
published 1981
Book Conference Proceedings
9
published 1980
Book
10
11
Book
12
by Honecker, Erich
published 1978
Book
13
by Herrmann, Joachim, Honecker, Erich
published 1978
Book
14
15
published 1977
Book
18
19
published 1975
Book
20