Arg. Saesneg gwreiddiol = Original English ed.: Harlow: Longman Group, 1997.
Addasiad Cymraeg gan = Welsh adaptation by: Dylan Williams.
Eboni a'r llwyn mwcatwc by Millie Murray. ISBN 1860853323. Published by Uned Iaith Genedlaethol Cymru in 1998. Publication and catalogue information, links to buy online and reader comments.