- Author: Stanley E. Portny, Jonathan L. Portny
- Language: English
- Author: Nick Graham, Stanley E. Portny
- Language: English
- Year: 2015
- Author: STANLEY E.. PORTNY JONATHAN L. PORTNY
- Language: English
- Year: 2022
- Author: Stanley E. Portny
- Language: English
- Year: 2020
- Author: Stanley E. Portny, Mark C. Layton, David Morrow, Steven J. Ostermiller, Stanley E. Portny, Doug Rose, Cynthia Snyder Dionisio
- Language: English
- Year: 2020
- Author: Stanley E. Portny
- Language: English
- Year: 2017
- Author: Stanley E. Portny Sandrine Sage
- Language: French
- Year: 2011
- Author: Stanley E. Portny
- Language: English
- Year: 2017
- Author: Stanley E. Portny
- Language: English
- Year: 2010
- Author: Stanley E Portny
- Language: English
- Year: 2007