- Author: George Isac Themistocles M Rassias Donald H Hyers
- Language: English
- Year: 1997
- Author: Sándor Zoltán Németh George Isac (auth.)
- Language: English
- Year: 2008
- Author: George Isac (auth.)
- Language: English
- Year: 2000
- Author: Donald H. Hyers George Isac Themistocles M. Rassias (auth.)
- Language: English
- Year: 1998
- Author: Donald H Hyers, George Isac, Themistocles M Rassias
- Language: English
- Year: 1997
- Author: George Isac
- Language: English
- Year: 1992
- Author: George Isac
- Language: English
- Year: 2006
- Author: George Isac Sándor Zoltán Németh
- Language: English
- Year: 2008
- Author: George Isac (auth.)
- Language: English
- Year: 1992