1
by Wolf, Gotthard
Published 1968
Vandenhoeck & Ruprecht

6
by Rindfleisch, Hans
Published 1974
Vandenhoeck & Ruprecht

10
by Weizsäcker, Viktor von
Published 1960
Vandenhoeck & Ruprecht

12
by Paulsen, Henning
Published 1992
Vandenhoeck & Ruprecht

18
by Bieber, Ursula
Published 1991
Sagner