Columbia subject headings:
American poetry--20th century.
Harvard subject headings:
American poetry--20th century
American poetry--20th century--History and criticism
Jarrell, Randall, 1914-1965
Lowell, Robert, 1917-1977
Merwin, W. S. (William Stanley), 1927-2019
Nemerov, Howard
Poets, American--20th century.
Roethke, Theodore, 1908-1963.
Snodgrass, W. D. (William De Witt), 1926-2009
Wilbur, Richard, 1921-2017
Princeton subject headings:
American poetry--20th century.