Columbia subject headings:
Authors, English--20th century--Biography.
Powys family.
Powys, John Cowper, 1872-1963.
Powys, Llewelyn, 1884-1939.
Powys, Theodore Francis, 1875-1953.
Harvard subject headings:
Authors, English--20th century--Biography
Powys family.
Powys, John Cowper, 1872-1963.
Powys, Llewelyn, 1884-1939
Powys, Theodore Francis, 1875-1953.
Princeton subject headings: