- Author: Hugo Hayn, Alfred N. Gotendorf
- Language: German
- Year: 1914
- Author: Hugo Hayn, Alfred N. Gotendorf
- Language: German
- Year: 1914
- Author: Hugo Hayn, Alfred N. Gotendorf
- Language: German
- Year: 1914
- Author: Hugo Hayn, Alfred N. Gotendorf
- Language: German
- Year: 1913
- Author: Hugo Hayn, Alfred N. Gotendorf
- Language: German
- Year: 1913
- Author: Hugo Hayn, Alfred N. Gotendorf
- Language: German
- Year: 1913
- Author: Hugo Hayn, Alfred N. Gotendorf
- Language: German
- Year: 1913
- Author: Hugo Hayn, Alfred N. Gotendorf
- Language: German
- Year: 1913
- Author: Hugo Hayn, Alfred N. Gotendorf
- Language: German
- Year: 1912