- Author: Robert G. Foster, Pauline Park Wilson
- Language: English
- Year: 2020
- Author: Marisol de la Cadena, Robert J. Foster, Daniel R. Reichman
- Language: English
- Year: 2015
- Author: Marisol de la Cadena, Robert J. Foster, Daniel R. Reichman
- Language: English
- Year: 2015
- Author: Robert G. Foster, Pauline Park Wilson
- Language: English
- Year: 2020
- Author: Robert J. Foster, Heather Horst
- Language: English
- Year: 2018
- Author: Robert J. Foster
- Language: English
- Year: 2014
- Author: Robert L. Foster
- Language: English
- Year: 2020
- Author: Robert W. Foster
- Language: English
- Year: 2008
- Author: Robert J. Foster
- Language: English
- Year: 2002