- Author: BJ Penn Glen Cordoza Erich Krauss
- Language: English
- Year: 2007
- Author: Jonathan Penn
- Language: English
- Year: 2013
- Author: Peter Engel Allan Penn
- Language: English
- Year: 2009
- Author: Marc S. Penn MD Eric J. Topol MD (auth.) Marc S. Penn MD (eds.)
- Language: English
- Year: 2007
- Author: Penn Jillette
- Language: English
- Year: 2012
- Author: Peter Engel Allan Penn
- Language: English
- Year: 2009
- Author: Julia M. Penn
- Language: English
- Year: 1972
- Author: John S. Penn (auth.) Theodore P. Williams Anne B. Thistle (eds.)
- Language: English
- Year: 1998
