Cyhoeddwyd gyntaf ym Mhrydain gan Frederick Warne a'i gwmni, 1902 = First published in Britain by Frederick Warne & Co., 1902.
Llyfr bordyn = Board book.
OBNB doesn't sell books, but you may be able to find a copy at one of these websites:
Guto Gwningen by Beatrix Potter. ISBN 1870394798. Published by Cyhoeddiadau Sain in 2001. Publication and catalogue information, links to buy online and reader comments.
