- Author: Theodore E. Hughes David Klein
- Language: English
- Year: 2007
- Author: Dr Chris Hughes
- Language: English
- Year: 2002
- Author: R. Kent Hughes
- Language: English
- Year: 2004
- Author: Bob Hughes
- Language: English
- Year: 2001
- Author: Sandra Hughes-Hassell Jacqueline C. Mancall
- Language: English
- Year: 2005
- Author: Adrian Kingsley-Hughes Kathie Kingsley-Hughes
- Language: English
- Year: 2001
- Author: Christopher Hughes
- Language: English
- Year: 2004
- Author: Rhona Stainthorp, Diana Hughes
- Language: English
- Year: 1999
- Author: D. W. Hughes R. Rosner N. O. Weiss
- Language: English
- Year: 2007
- Author: Alex Hughes James S. Williams
- Language: English
- Year: 2001