P1042 Yn cynnwys cyfeiriadau llyfryddol a mynegai = Includes bibliographical references and index.
P1073 Testun yn Gymraeg; gyda rhai dyfyniadau yn Saesneg = Text in Welsh; with some quotations in English.
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Yr arwrgerdd Gymraeg : ei thwf a'i thranc by E. G. Millward. ISBN 0708314694. Published by Gwasg Prifysgol Cymru in 1998. Publication and catalogue information, links to buy online and reader comments.