- Author: Otto Seifert Dr. Friedrich Müller (auth.) Dr. Friedrich Müller (eds.)
- Language: German
- Year: 1939
- Author: Dr. Friedrich Müller (auth.) Dr. Friedrich Müller (eds.)
- Language: German
- Year: 1936
- Author: Dr. Friedrich Müller (auth.) Dr. Friedrich Müller (eds.)
- Language: German
- Year: 1931
- Author: Dr. Friedrich Müller (auth.) Dr. Friedrich Müller (eds.)
- Language: German
- Year: 1928
- Author: Dr. Friedrich Müller (auth.) Dr. Friedrich Müller (eds.)
- Language: German
- Year: 1938
- Author: Dr. Friedrich Müller (auth.) Dr. Friedrich Müller (eds.)
- Language: German
- Year: 1937
- Author: Dr. Friedrich Müller (auth.) Dr. Friedrich Müller (eds.)
- Language: German
- Year: 1941
- Author: Dr. Friedrich Müller (auth.) Dr. Friedrich Müller (eds.)
- Language: German
- Year: 1941
- Author: Dr. Friedrich Müller (auth.) Dr. Friedrich Müller (eds.)
- Language: German
- Year: 1939
- Author: Dr. Friedrich Müller (auth.) Dr. Friedrich Müller (eds.)
- Language: German
- Year: 1936