- Author: Lawrence Kramer
- Language: English
- Year: 2004
- Author: Wagner Richard, Newman Ernest
- Language: English
- Year: 1933
- Author: Wagner Richard, Magee Bryan
- Language: English
- Year: 2001
- Author: Wagner Richard, Berger William
- Language: English
- Year: 1998
- Author: Wagner Richard, Berger William
- Language: English
- Year: 1998
- Author: Wagner Richard, Brener Milton E
- Language: English
- Year: 2006
- Author: Schacht Richard, Wagner Richard, Kitcher Philip
- Language: English
- Year: 2004
- Author: Rackham Arthur, Wagner Richard
- Language: English
- Year: 2010
- Author: Newman Ernest, Wagner Richard
- Language: English
- Year: 2014
- Author: Newman Ernest, Wagner Richard
- Language: English
- Year: 2014