- Author: John F. Hoffecker
- Language: English
- Year: 2002
- Author: Richard G. Delisle
- Language: English
- Year: 2006
- Author: David Haig
- Language: English
- Year: 2002
- Author: Arthur R. Jensen
- Language: English
- Year: 1998
- Author: Ungar Peter S
- Language: English
- Year: 2007
- Author: Lynn Richard
- Language: English
- Year: 2001
- Author: Levin Michael E
- Language: English
- Year: 1997
- Author: Helmuth Sørensen Nyborg
- Language: English
- Year: 1994
- Author: Richard Lynn
- Language: English
- Year: 2011
- Author: Richard Lynn Tatu Vanhanen
- Language: English
- Year: 2002
