- Author: Brian Hahn Daniel T. Valentine
- Language: English
- Year: 2016
- Author: Brian Hahn
- Language: English
- Year: 2002
- Author: Brian Hahn and Dan Valentine (Auth.)
- Language: English
- Year: 2013
- Author: Brian Hahn Dan Valentine
- Language: English
- Year: 2009
- Author: Brian Hahn Dan Valentine
- Language: English
- Year: 2009
- Author: Brian Hahn Dan Valentine
- Language: English
- Year: 2009
- Author: Brian Hahn Katherine Malan
- Language: English
- Year: 2003
- Author: Brian Hahn
- Language: English
- Year: 2007
- Author: Brian Hahn
- Language: English
- Year: 2002
- Author: Brian Hahn Dan Valentine
- Language: English
- Year: 2007