Argraffiad Saesneg gwreiddiol = Original English edition: London : Orchard Books, 1994.
Argraffiad Cymraeg blaenorol = Previous Welsh edition: 1995.
Llyfr bordyn = Board Book.
Y Nadolig cyntaf by Nicola Smee. ISBN 1855964422. Published by Gwasg y Dref Wen in 1995. Publication and catalogue information, links to buy online and reader comments.