- Author: Percy George Wilson
- Language: English
- Year: 1950
- Author: Percival Abbott
- Language: English
- Year: 1970
- Author: Sydney W. Wells
- Language: English, German
- Year: 1956
- Author: Gregory Klyve
- Language: English
- Year: 2010
- Author: A. A. Luce Arthur Aston Luce
- Language: English
- Year: 1959
- Author: A. A. Luce Arthur Aston Luce
- Language: English
- Year: 1958
- Author: M. P. O. Burgers
- Language: English
- Year: 1957
- Author: Tony Wilkins
- Language: English
- Year: 1970
- Author: Helen J. Ballhatchet Stefan K. Kaiser
- Language: English, Japanese
- Year: 1989