- Author: Douglas Gray Jane Bliss (eds.)
- Language: English
- Year: 2019
- Author: Douglas Gray, John Budd
- Language: English
- Year: 2017
- Author: Norman Davis Douglas Gray Patricia Ingham Anne Wallace-Hadrill
- Language: English
- Year: 1979
- Author: Consumer Dummies, Bryan Borzykowski, Andrew Dagys, Kiana Danial, Matthew Elder, Douglas Gray, Ann C. Logue, Tony Martin, Peter Mitham, Paul Mladjenovic, Eric Tyson
- Language: English
- Year: 2020
- Author: Douglas Gray, Peter Mitham
- Language: English
- Year: 2020
- Author: Ronald Douglas Gray
- Language: Latin
- Year: 2010
- Author: Douglas Gray Peter Mitham
- Language: English
- Year: 2009
- Author: Douglas Gray Peter Mitham
- Language: English
- Year: 2010