- Author: Roger A. Freeman
- Language: English
- Year: 1995
- Author: Roger A. Freeman
- Language: English
- Year: 1997
- Author: Roger A. Freeman
- Language: English
- Year: 1992
- Author: Roger Anthony Freeman
- Language: English
- Year: 2001
- Author: Gerald G. Briggs Roger K. Freeman
- Language: English
- Year: 2014
- Author: Roger K. Freeman (ed.) Thomas J. Garite (ed.) Michael P. Nageotte (ed.) Lisa A Miller (ed.)
- Language: English
- Year: 2012
- Author: Roger L. Freeman
- Language: English
- Year: 2013
- Author: Roger L. Freeman
- Language: English
- Year: 2007
- Author: Roger L. Freeman(auth.) John G. Proakis(eds.)
- Language: English
- Year: 2004
- Author: Roger L. Freeman(auth.)
- Language: English
- Year: 2007