Cyhoeddwyd dan nawdd Cynllun Adnoddau Cyd-bwyllgor Addysg Cymru = Published under the auspices of the Welsh Joint Education Committee Resources Project.
Yn cynnwys mynegai = Includes index.
Aer : pynciau dethol by E. N. Ramsden. ISBN 1872808263. Published by D. Brown a'i Feibion in 1994. Publication and catalogue information, links to buy online and reader comments.