•
A.E. a Chymru (1929), concerning the Irish writer
George William Russell •
Hen wynebau ("Old faces"), 1934. A portrait of his native locality. • ''Storïau'r tir'' ("Stories of the land"), 1936, 1941, 1949. A series of three volumes of short stories. •
Hen dŷ ffarm ("The old farmhouse"), 1953. Autobiography. •
Mazzini (1954), concerning the Italian politician
Giuseppe Mazzini •
Yn chwech ar hugain oed ("When I was twenty-six years old"). 1959. Autobiography. •
Y Bod Cenhedlig (1963), translation of
The National Being by
George William Russell •
Y Gaseg Ddu ("The black mare"), 1970. Short stories. ==Sources==