- Author: Julia Williams John Nicholls
- Language: English
- Year: 2002
- Author: Williams John R. (FDI World Dental Federation)
- Language: English
- Year: 2007
- Author: Bert B. Williams John L. Gidley Robert S. Schechter
- Language: English
- Year: 1979
- Author: Robin Williams John Tollett
- Language: English
- Year: 2006
- Author: Robin Williams John Tollett Dave Rohr
- Language: English
- Year: 2001