- Author: Alasdair Roberts
- Language: English
- Year: 2017
- Author: Isaac Phillips Roberts, Liberty Hyde Bailey
- Language: English
- Year: 2018
- Author: Soraya Boudia, Angela N. H. Creager, Scott Frickel, Emmanuel Henry, Nathalie Jas, Carsten Reinhardt, Jody A. Roberts
- Language: English
- Year: 2021
- Author: Ranga Ramanujam (editor), Karlene H. Roberts (editor)
- Language: English
- Year: 2018
- Author: Brad Roberts
- Language: English
- Year: 2015
- Author: Simon Roberts, Nicolò Guariento
- Language: German
- Year: 2009
- Author: Simon Roberts, Nicolò Guariento
- Language: English
- Year: 2009
- Author: Norman Long (editor), Bryan R. Roberts (editor)
- Language: English
- Year: 2014
- Author: Helen Corke, Warren Roberts
- Language: English
- Year: 2014
- Author: Bryan R. Roberts
- Language: English
- Year: 2014