Cydargraffiad byd-eang wedi'i drefnu gan Angus Hudson Ltd. = World wide co-edition arranged by Angus Hudson Ltd.
Teitl clawr = Cover title.
Y bugeiliaid by Gordon Stowell. ISBN 1859941117. Published by Cyhoeddiadau'r Gair in 1997. Publication and catalogue information, links to buy online and reader comments.