- Author: Shireman Myrl, Kaufmann John E
- Language: English
- Year: 2012
- Author: Shireman Myrl, Kaufmann John E
- Language: English
- Year: 2012
- Author: Franz-Xaver Kaufmann, John H Veit Wilson, Thomas Skelton-Robinson
- Language: English
- Year: 2012
- Author: Karen M. Kaufmann John R. Petrocik Daron R. Shaw
- Language: English
- Year: 2008