- Author: Carl J. Stratman
- Language: English
- Year: 1972
- Author: Carl J. Stratman
- Language: English
- Year: 1972
- Author: Papinot E.
- Language: English
- Year: 1964
- Author: H. A. Jäschke John L. Mish
- Language: English
- Year: 1974
- Author: Ivan I. Mueller and Heinrich Eichorn
- Language: English
- Year: 1969
- Author: I. P. Natanson
- Language: English
- Year: 1960
- Author: Chinggaltai
- Language: English
- Year: 1963
- Author: Samuel Alfred Browne Mercer
- Language: English
- Year: 1961
- Author: Chinggaltai
- Language: English
- Year: 1963
- Author: Bela Sz. -Nagy
- Language: English
- Year: 1960