Heylin, Greg (Personal Name)
Evaluating prisons, prisoners and others, 2001: t.p. (Greg Heylin) back cover (Grey Heylin, Principal Officer in Department of Justice, Equality and Law Reform; now with Equality Authority)
With wisdom seeking God, 2008: t.p. (Greg Heylin)
Veritas web site, viewed 8 September 2015 (Greg Heylin, spiritual companion, director, lecturer, facilitator and writer; lives in Dublin, Ireland)