- Author: Robert Bruegmann
- Language: English
- Year: 1997
- Author: Robert Bruegmann
- Language: English
- Year: 1997
- Author: Robert Bruegmann
- Language: English
- Year: 2008
- Author: Robert Bruegmann
- Language: English
- Year: 2006
- Author: Robert Bruegmann
- Language: English
- Year: 2006