- Author: Robert Paul Wolff
- Language: English
- Year: 1998
- Author: Robert Paul Browder
- Language: English
- Year: 2015
- Author: Robert Paul Shay
- Language: English
- Year: 2015
- Author: Robert Paul Wolff
- Language: English
- Year: 2020
- Author: John Gabbay, Andrée le May, Catherine Pope, Glenn Robert, Paul Bate, Mary-Ann Elston
- Language: English
- Year: 2011
- Author: Jennifer L. Koosed, Robert Paul Seesengood
- Language: English
- Year: 2013
- Author: Robert Paul
- Language: English
- Year: 2022
- Author: Robert Paul Seesengood
- Language: English
- Year: 2017
- Author: Robert Paul Wolff
- Language: English
- Year: 1968
- Author: Greg Smalley, Robert Paul
- Language: English
- Year: 2020