
- Author: Betsy M. Bryan
- Language: English
- Year: 1991

- Author: Peter M. Sacks
- Language: English
- Year: 1985

- Author: Thomas C. Holt
- Language: English
- Year: 1992

- Author: Gottfried Dietze
- Language: English
- Year: 1975

- Author: Professor Robert M. Slusser
- Language: English
- Year: 1987

- Author: Professor Charles Edward Gauss
- Language: English
- Year: 1966

- Author: Professor Eric D. Conway
- Language: English
- Year: 1997

- Author: Lars Heide
- Language: English
- Year: 2009