- Author: Charles Cardinal Journet
- Language: English
- Year: 2004
- Author: Lawrence Feingold
- Language: English
- Year: 2016
- Author: Father James V. Schall S.J.
- Language: English
- Year: 2007
- Author: Hans Urs von Balthasar
- Language: English
- Year: 1996
- Author: Hans Urs Von Balthasar
- Language: English
- Year: 1992
- Author: Hans Urs von Balthasar
- Language: English
- Year: 1994
- Author: Hans Urs von Balthasar
- Language: English
- Year: 1991
- Author: St Thomas Aquinas
- Language: English
- Year: 2014
- Author: Murray A. Rae
- Language: English
- Year: 2017
- Author: James E. Dolezal Paul Helm
- Language: English
- Year: 2011