- Author: Robert M. Feldman, Nicholas P. Bell
- Language: English
- Year: 2013
- Author: Robert S. Feldman
- Language: English
- Year: 2018
- Author: Robert Simion Feldman Jerrold S. Meyer Linda F. Quenzer
- Language: English
- Year: 1997
- Author: Sherri Messersmith Nathalie M. Vega-Rhodes Robert S. Feldman
- Language: English
- Year: 2018
- Author: Robert A. Feldman etc.
- Language: English
- Year: 2002
- Author: Archibald Robert B., Feldman David Henry
- Language: English
- Year: 2014
- Author: Robert S Feldman
- Language: English
- Author: Robert S. Feldman
- Language: Spanish
- Year: 2007
- Author: Robert S. Feldman
- Language: Spanish
- Year: 2014
- Author: Robert S. Feldman
- Language: English
- Year: 2010