- Author: Erwin Streseman (editor), L. A. Portenko (editor), G. Mauersberger (editor)
- Language: German
- Year: 1972
- Author: H. Dathe (editor), I. A. Neufeldt (editor), E. Stresemann (editor), L. A. Portenko (editor)
- Language: German
- Year: 1984
- Author: Erwin Stresemann (editor), L. A. Portenko (editor), H. Dathe (editor), G. Mauersberger (editor)
- Language: German
- Year: 1975
- Author: H. Dathe (editor), I. A. Neufeldt (editor), I. A. Neufeldt (editor), L. A. Portenko (editor), J. Stübs (editor)
- Language: German
- Year: 1983