Argraffiad Saesneg gwreiddiol = Original English edition: Oxford : Oxford University Press, 1996.
Addasiad Cymraeg gan = Welsh adaptation by: Juli Paschalis, Emily Huws, Glenys M. Roberts.
Coeden ddarllen Rhydychen. 2 : camau 4-5, Llyfr yr athrawon by Roderick Hunt. ISBN 0861741943. Published by Gwasg Addysgol Drake in 1998. Publication and catalogue information, links to buy online and reader comments.