Yn cynnwys cerddoriaeth ar gyfer rhai o'r cerddi = Includes music for some of the works.
OBNB doesn't sell books, but you may be able to find a copy at one of these websites:
Gweddnewidio : detholiad o gerddi 1962-1986 by Gwyn Thomas. ISBN 0707403375. Published by Gwasg Gee in 2000. Publication and catalogue information, links to buy online and reader comments.
