- Author: Duncan Watts
- Language: English
- Year: 2008
- Author: Patti Duncan
- Language: English
- Year: 2004
- Author: Anthony R. Kovner Duncan Neuhauser
- Language: English
- Year: 2004
- Author: C. J. Duncan
- Language: English
- Year: 1991
- Author: Dave Duncan
- Language: English
- Year: 1999
- Author: Duncan Tanner
- Language: English
- Year: 2003
- Author: Duncan Brewer Steve Parker
- Language: English
- Year: 2002
- Author: Roderick D. Duncan (auth.) Michael Benson John Fixsen Malcolm Macnicol Klausdieter Parsch (eds.)
- Language: English
- Year: 2009
- Author: Duncan E. McRee (Author)
- Language: English
- Year: 1999
