
- Author: Robert M May
- Language: English
- Year: 2019

- Author: Charles Darwin, John Tyler Bonner, Robert M May
- Language: English
- Year: 2008

- Author: Jonathan Roughgarden (editor), Robert M May (editor), Simon A. Levin (editor)
- Language: English
- Year: 2014

Extinction rates
pdf
- Author: John H. Lawton Robert M. May
- Language: English
- Year: 1995

- Author: Robert L. May
- Language: English
- Year: 2011

- Author: Robert M. May
- Language: English
- Year: 2001

- Author: Robert M. May
- Language: English
- Year: 1973

- Author: Robert E. May
- Language: English
- Year: 1973

- Author: Robert E. May
- Language: English
- Year: 2013

- Author: Robert M. May (auth.) M. B. Usher M. H. Williamson (eds.)
- Language: English
- Year: 1974