Argraffiad Saesneg gwreiddiol = Original English edition: Harlow : Longman, 1994.
Addasiad Cymraeg gan = Welsh adaptation by: Emily Huws.
Brysia, Huw! by Heather Eyles. ISBN 1860852262. Published by Uned Iaith Genedlaethol Cymru CBAC in 1997. Publication and catalogue information, links to buy online and reader comments.