Argraffiad Saesneg gwreiddiol = Original English edition : London : Andersen Press, 1989.
Argraffiad Cymraeg gwreiddiol = Original Welsh edition : Cardiff : Gwasg y Dref Wen, 1995.
Addasiad Cymraeg gan = Welsh adaptation by : Emily Huws.
Elfed by David McKee. ISBN 1855965194. Published by Gwasg y Dref Wen in 2002. Publication and catalogue information, links to buy online and reader comments.