
- Author: Edward Uhler Condon, University of Colorado (Boulder campus)
- Language: English
- Year: 1969

- Author: Werner Wolff
- Language: English
- Year: 1942

- Author: Christine Price
- Language: English
- Year: 1975

- Author: Giovanni Papini
- Language: English
- Year: 1948

- Author: Nazareno Padellaro, Michael Derrick (translator)
- Language: English
- Year: 1957

- Author: Kenneth Brooke James Forsyth
- Language: English, Русский
- Year: 1962

- Author: Reuben Levy tr
- Language: English
- Year: 1951

- Author: ʻUnṣur al-Maʻālī Kaykāvūs ibn Iskandar ibn Qābūs, Reuben Levy
- Language: English
- Year: 1951