Arg. Saesneg gwreiddiol = Original English ed.: [London]: Longman, 1996.
Yn cynnwys mynegai = Includes index.
Addasiad Cymraeg gan = Welsh adaptation by: John Emyr.
Yr Almaen 1918-1945 : democratiaeth ac unbennaeth by Josh Brooman. ISBN 1898817936. Published by Prifysgol Cymru, Bangor in 1999. Publication and catalogue information, links to buy online and reader comments.