- Author: David Sobel, Virginia González, Sandra LeFort, Kate Lorig, Francis Keefe, Marian Minor, Diana Laurent, Maureen Gecht-Silver
- Language: English
- Year: 2021
- Author: David Sobel Peter Vallentyne Steven Wall
- Language: English
- Year: 2020
- Author: David Sobel
- Language: English
- Year: 2015
- Author: Sandra LeFort, Lisa Webster, Virginia González, Kate Lorig, Halsted Holman, David Sobel, Diana Laurent, Marian Minor
- Language: Spanish
- Year: 2016
- Author: David Sobel
- Language: English
- Year: 1996
- Author: David Sobel Peter Vallentyne Steven Wall
- Language: English
- Year: 2021
- Author: David Sobel Peter Vallentyne Steven Wall
- Language: English
- Year: 2019
- Author: David Sobel Peter Vallentyne Steven Wall
- Language: English
- Year: 2021
- Author: David Sobel Peter Vallentyne Steven Wall
- Language: English
- Year: 2018