Argraffiad Saesneg gwreiddiol = Original English edition : London : Campbell, 2001.
Teitl clawr = Cover title.
Gyda ratl = With rattle.
Llyfr bordyn = Board book.
Helo babi by Sandra Lousada. ISBN 1855965097. Published by Dref Wen in 2002. Publication and catalogue information, links to buy online and reader comments.