Columbia subject headings:
Thomas, Gwyn, 1913-1981.
Harvard subject headings:
Authors, Welsh--20th century--Biography.
Television personalities--Wales--Biography.
Thomas, Gwyn, 1913-1981--Biography.
Thomas, Gwyn, 1913-1981.
Wales--Social life and customs--20th century.
Princeton subject headings:
Authors, Welsh--20th century--Biography.
Television personalities--Wales--Biography.
Thomas, Gwyn, 1913-1981.
Wales--Social life and customs--20th century.