
- Author: Reinhard Suchier
- Language: German
- Year: 1885

- Author: Richard Wille
- Language: German
- Year: 1886

- Author: Richard Wille
- Language: German
- Year: 1886

- Author: Reinhard Suchier
- Language: German
- Year: 1879

- Author: G. W. Roeder
- Language: German
- Year: 1863

- Author: Georg Wolff Otto Dahm
- Language: German
- Year: 1885