
- Author: Hermann Junker
- Language: German
- Year: 1906

- Author: Johannes Duemichen
- Language: German
- Year: 1867

- Author: Johannes Duemichen
- Language: German
- Year: 1867

- Author: Johannes Duemichen
- Language: German
- Year: 1865

- Author: Christian Carl Josias Bunsen
- Language: German
- Year: 1856

- Author: Christian Carl Josias Bunsen
- Language: German
- Year: 1856

- Author: Christian Carl Josias Bunsen
- Language: German
- Year: 1857

- Author: Christian Carl Josias Bunsen
- Language: German
- Year: 1844