Arg. Saesneg gwreiddiol = Original English ed.: London: Usbore Publishing, 1995.
Addasiad Cymraeg gan = Welsh adaptation by: Roger Boore.
Y geiriadur lliwgar : for Welsh speakers and learners : the most popular Welsh children's picture dictionary ever! by Heather Amery. ISBN 1855962756. Published by Gwasg y Dref Wen in 1997. Publication and catalogue information, links to buy online and reader comments.