- Author: Walter Emil Kaegi Jr.
- Language: English
- Year: 2015
- Author: Walter Emil Kaegi
- Language: English
- Year: 1983
- Author: Walter Emil Kaegi
- Language: English
- Year: 1981
- Author: Walter Emil Kaegi
- Language: English
- Year: 2015
- Author: Walter Emil Kaegi
- Language: English
- Year: 2008
- Author: Walter Emil Kaegi
- Language: English
- Year: 2008
- Author: Walter Emil Kaegi
- Language: English
- Year: 2003
- Author: Walter Emil Kaegi
- Language: English
- Year: 1981
- Author: Walter Emil Kaegi
- Language: English
- Year: 2008
- Author: Walter Emil Kaegi Jr.
- Language: English
- Year: 1983