Arg. gwreiddiol = Original ed.: Aberystwyth : Cymdeithas Lyfrau Ceredigion, 1969.
Arg. blaenorol = Previous ed.: 2003.
Y Pry Bach Tew by Mary Vaughan Jones. ISBN 9781902416595. Published by Gwasg Gomer in 2011. Publication and catalogue information, links to buy online and reader comments.