Columbia subject headings:
Authors, American--20th century--Correspondence.
Authors, English--20th century--Correspondence.
Powys, Llewelyn, 1884-1939--Correspondence.
Woolsey, Gamel--Correspondence.
Harvard subject headings:
Authors, American--20th century--Correspondence
Authors, English--20th century--Correspondence
Powys, Llewelyn, 1884-1939--Correspondence.
Woolsey, Gamel--Correspondence.
Princeton subject headings:
Authors, English--20th century--Correspondence.
Powys, Llewelyn, 1884-1939--Biography.
Woolsey, Gamel--Correspondence.