- Author: P.R. Davies M.W. Roberts
- Language: English
- Year: 2007
- Author: Mark Burns Gordon W. Roberts
- Language: English
- Year: 2000
- Author: Cleveland P. Hickman Roberts Larson
- Language: English
- Year: 2001
- Author: Stanley M. Roberts Geraldine Poignant
- Language: English
- Year: 2002
Fredric Jameson
pdf
- Author: Adam Roberts
- Language: English
- Year: 2000
- Author: J. M. Roberts
- Language: English
- Year: 1999
- Author: Eric S. Roberts
- Language: English
- Year: 1986
- Author: Roberts D.J. Caserio M.C.
- Language: English
- Year: 1977
Animal Diversity
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- Author: Jr. Cleveland P Hickman Larry S Roberts Allan Larson
- Language: English
- Year: 2002
- Author: Phillip L. Williams Robert C. James Stephen M. Roberts
- Language: English
- Year: 2000