Yn cynnwys mynegai = Includes index.
Cyhoeddwyd y fersiwn Saesneg gwreiddiol = Original English edition published: Picthall and Gunzi Ltd, 2012.
Atlas mawr y byd = The big world atlas in Welsh by Chez Picthall. ISBN 9781908574718. Published by Atebol in 2012. Publication and catalogue information, links to buy online and reader comments.