Datblygiad yr iaith gymraeg
By: gan Henry Lewis.
Series: Cyfres y brifysgol a'r werin -- rhif 6
Publisher: Gwasg Prifysgol Cymru
Published: 1931
Place of publication: Caerdydd
Language: wel
Number of pages: 144
Subjects: Welsh language -- History.
Notes: Includes bibliographical references (p. 123-125) and indexes.