Columbia subject headings:
American poetry--20th century--History and criticism.
Harvard subject headings:
American poetry--20th century--History and criticism
Ashbery, John, 1927-2017--Criticism and interpretation.
Bly, Robert
Ginsberg, Allen, 1926-1997--Criticism and interpretation.
Kinnell, Galway, 1927-2014
Levine, Philip, 1928-
Levine, Philip, 1928-2015
Lowell, Robert, 1917-1977--Criticism and interpretation.
O'Hara, Frank--Criticism and interpretation.
Roethke, Theodore, 1908-1963.
Princeton subject headings:
American poetry--20th century--History and criticism.