Based on a play written in Peniarth MS. 106, held at the National Library of Wales.
OBNB doesn't sell books, but you may be able to find a copy at one of these websites:
Troelus a Chresyd : trasiedi by Gwyn Williams. ISBN 0850883679. Published by Gwasg Gomer in 1976. Publication and catalogue information, links to buy online and reader comments.
