Arg Saesneg gwreiddiol = Originally published: Oxford: Lion, 1987.
Teitl clawr = Cover title.
Testun a lluniau ar y cloriau = Illustrations and text on covers.
Yr Anrhegion Nadolig cyntaf. ISBN 0863837379. Published by Gomer in 1991. Publication and catalogue information, links to buy online and reader comments.