- Author: Böhme Jakob, Böhme Jakob, O'Regan Cyril
- Language: English
- Year: 2002
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- Language: English
- Year: 2007
- Author: Taylor Bron Raymond
- Language: English
- Year: 2010
- Author: James L. Heft
- Language: English
- Year: 2005
- Author: Dodaro Robert, Atkins E. Margaret, Saint Bishop of Hippo. Augustine
- Language: English
- Year: 2001