- Author: Marc Mangel Colin Whitcomb Clark
- Language: English
- Year: 1989
- Author: Clark G. Reynolds
- Language: English
- Year: 1984
- Author: Howard Clark
- Language: English
- Year: 2000
- Author: Barry Clark
- Language: English
- Year: 1998
- Author: John Ransom Clark
- Language: English
- Year: 2007
- Author: Beth Clark Arthur Meier Schlesinger
- Language: English
- Year: 2000
- Author: T. Justin Clark M.D. Janesh K. Gupta M.D.
- Language: English
- Year: 2005
- Author: Stuart Clark
- Language: English
- Year: 1997
- Author: Bengt Ankarloo Stuart Clark
- Language: English
- Year: 1999
- Author: William R. Clark
- Language: English
- Year: 1995