Columbia subject headings:
Harvard subject headings:
Creeley, Robert, 1926-2005--Correspondence.
Layton, Irving, 1912-2006
Layton, Irving, 1912-2006--Correspondence.
Poets, American--20th century--Correspondence
Princeton subject headings:
Creeley, Robert, 1926-2005--Correspondence.
Layton, Irving, 1912-2006--Correspondence.
Poets, American--20th century--Correspondence.
Poets, Canadian--20th century--Correspondence.