- Author: Ritchie Robertson
- Language: English
- Year: 2002
- Author: Stephan Martiniere Scott Robertson
- Language: English
- Year: 2004
- Author: Bruce M. Landman Aaron Robertson
- Language: English
- Year: 2004
- Author: C. M. Campbell E. F. Robertson T. C. Hurley S. J. Tobin J. Ward
- Language: English
- Year: 1995
- Author: C. M. Campbell E. F. Robertson T. C. Hurley S. J. Tobin J. J. Ward
- Language: English
- Year: 1995
- Author: C. M. Campbell M. R. Quick E. F. Robertson G. C. Smith
- Language: English
- Year: 2007
- Author: C. M. Campbell E. F. Robertson
- Language: English
- Year: 1991
- Author: Stuart Robertson Stephen Dent
- Language: English
- Year: 2008
- Author: Stephen Houston John Robertson and David Stuart
- Language: English
- Year: 2000
- Author: G.V. Chilingar V.A. Serebryakov and J.O. Robertson (Eds.)
- Language: English
- Year: 2002