Darganfod harmoni
By: R. Tudur Jones.
Edition: Argraffiad print bras.
Publisher: Cyhoeddiadau Mei
Published: 1983
Place of publication: Penygroes, Gwynedd (40 Stryd y Wyddfa, Penygroes, Caernarfon, Gwynedd)
Language: wel
Number of pages: 123