- Author: Robert M. Baum
- Language: English
- Year: 2015
- Author: Ellen F. Davis
- Language: English
- Year: 2014
- Author: David Bakan, Dan Merkur, David S. Weiss
- Language: English
- Year: 2009
- Author: Samuel A. Meier
- Language: English
- Year: 2009
- Author: Scott B. Noegel, Brannon M. Wheeler
- Language: English
- Year: 2002
- Author: Orianne Smith
- Language: English
- Year: 2013
- Author: Maurice Osborn
- Language: English
- Year: 2009
- Author: Gary Kinder
- Language: English
- Year: 1987