Columbia subject headings:
Poets, American--20th century--Correspondence.
Pound, Ezra, 1885-1972. Correspondence.
Harvard subject headings:
Poets, American--20th century--Correspondence
Pound, Ezra, 1885-1972--Correspondence.
Princeton subject headings:
Poets, American--20th century--Correspondence.
Pound, Ezra, 1885-1972. Correspondence.
Untermeyer, Louis, 1885-1977--Correspondence.