- Author: Arnold Köttgen
- Language: German
- Year: 1928
- Author: Fritz Fleiner, Josef Lukas, Lutz Richter, Arnold Köttgen
- Language: German
- Year: 1929
- Author: Fritz Fleiner, Josef Lukas, Lutz Richter, Arnold Köttgen
- Language: German
- Year: 1975
- Author: Ernst Friesenhahn, Karl J. Partsch, Arnold Köttgen, Felix Ermacora
- Language: German
- Year: 1975