- Author: Ella E. Clark, Robert Bruce Inverarity
- Language: English
- Year: 2020
- Author: Robert Bruce Inverarity
- Language: English
- Year: 2020
- Author: Robert Bruce Mullin
- Language: English
- Year: 2014
- Author: James Wyatt, J. Schwalb Robert, Bruce R. Cordell
- Language: German
- Year: 2017
- Author: Robert Bruce Ware (editor)
- Language: English
- Year: 2013
- Author: Robert Bruce Newman
- Language: English
- Year: 2016
- Author: Robert Bruce Ware
- Language: English
- Year: 2013
- Author: Robert Bruce Lindsay Henry Margenau
- Language: English
- Year: 1957
- Author: Thompson Robert Bruce
- Language: English
- Year: 2014