Darganfod harmoni
By: R. Tudur Jones.
Publisher: Cyhoeddiadau Mei
Published: 1982
Place of publication: Penygroes, Gwynedd (40 Stryd y Wyddfa, Penygroes, Caernarfon, Gwynedd)
Language: wel
Number of pages: 123
Other titles: Y Cymro.
Notes: Originally published, in Y Cymro. 1973-1978.