Williams was a short story writer of renown and also the author of two volumes of autobiography. All his work is inspired by his vision of his native locality, of a close-knit community where common values give worth to all.
He died in 1970 at Rhydcymerau, Carmarthenshire.
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.
Yn chwech ar hugain oed ("When I was twenty-six years old"). 1959. Autobiography.
Y gaseg ddu ("The black mare"), 1970. Short stories.
Jenkins, Dafydd (1973), D. J. Williams. Writers of Wales series. Cardiff......