- Author: David P. Clark Nanette J. Pazdernik
- Language: German
- Year: 2009
- Author: David P. Clark
- Language: English
- Year: 2009
- Author: David Leon Clark
- Language: English
- Year: 2002
- Author: David L. Clark Nash N. Boutros Mario F. Mendez
- Language: English
- Year: 2010
- Author: David A. Clark Phd Aaron T. Beck MD
- Language: English
- Year: 2009
- Author: David J. Clark
- Language: English
- Year: 2007
- Author: David P. Clark Nanette J. Pazdernik
- Language: English
- Year: 2008
- Author: David G. Clark
- Language: English
- Year: 2007
- Author: Barbara J. Bain David M. Clark Irvin A. Lampert Bridget S. Wilkins
- Language: English
- Year: 2001
