R.J. Thomas 1908-1976
Subtitle: agweddau ar ei fywyd a'i waith
By: gan Vincent H. Phillips a Elfyn Jenkins.
Contributors: Jenkins, Elfyn.
Publisher: Amgueddfa Werin Cymru (1980.
Published: 1980
Place of publication: (St. Fagans))
Language: wel
Number of pages: 38
Subjects: Thomas, R. J. -- 1908-1976.; Lexicographers -- Wales -- Biography.