- Author: Robert G. Cooper
- Language: English
- Year: 2018
- Author: Robert K. Cooper, Leslie L. Cooper
- Language: English
- Year: 2007
- Author: Robert K. Cooper
- Language: English
- Year: 2019
- Author: Robert G. Cooper
- Language: English
- Year: 2017
- Author: Janke Robert W., Cooper Bruce S
- Language: English
- Year: 2017
- Author: Robert G. Cooper
- Language: English
- Year: 2011
- Author: Robert K. Cooper
- Language: English
- Year: 2006
- Author: Leonard A. Rosenblum and Robert W. Cooper (Eds.)
- Language: English
- Year: 1968