- Author: Paul Williams (Auth.)
- Language: English
- Year: 2017
- Author: J. C. van Dijk Paul Williams (auth.)
- Language: English
- Year: 1990
- Author: Derek Ford Paul Williams(auth.)
- Language: English
- Year: 2007
- Author: H. Paul Williams (auth.) Gautam Appa Leonidas Pitsoulis H. Paul Williams (eds.)
- Language: English
- Year: 2006
- Author: H. Paul Williams (auth.)
- Language: English
- Year: 2009
- Author: H. Paul Williams (auth.)
- Language: English
- Year: 2009