- Author: Robert B. Pippin
- Language: English
- Year: 2015
- Author: David Grene, Robert B. Pippin
- Language: English
- Year: 2008
- Author: Robert B. Pippin
- Language: English
- Year: 2010
- Author: Robert B. Pippin
- Language: English
- Year: 2021
- Author: Robert B. Pippin
- Language: English
- Year: 2015
- Author: Robert B. Pippin
- Language: English
- Year: 2021
- Author: Robert B. Pippin
- Language: English
- Year: 2012
- Author: Robert B. Pippin
- Language: English
- Year: 2021
- Author: Robert B. Pippin
- Language: English
- Year: 2021