- Author: Julius Pisko
- Language: German
- Year: 1896
- Author: Ljubomir Miletič (Любомир Милетич)
- Language: German
- Year: 1912
- Author: Otto Finsch
- Language: German
- Year: 1885
- Author: Leo Reinisch
- Language: German
- Year: 1887
- Author: Leo Reinisch
- Language: German
- Year: 1889
- Author: Leo Reinisch
- Language: German
- Year: 1895
- Author: Josef Keil and Anton von Premerstein
- Language: German
- Year: 1908
- Author: Hans Schrader
- Language: German
- Year: 1909
- Author: P. S. Coulbeaux J. Schreiber
- Language: French
- Year: 1915