Gwybod y geirau adnabod y gair : 45 o astudiaethau Beiblaidd yn edrych ar : adnabod Duw, adnabod Iesu ac adnabod yr Ysbryd Glan by Euros Wyn Jones. ISBN 1859945627. Published by Cyngor Ysgolion Sul Cymru in 2006. Publication and catalogue information, links to buy online and reader comments.