Weales, Gerald Clifford, 1925-
The jumping-off place; American drama in the 1960's
Macmillan, 1969
Buku Teks
Poets on poetry / edited, Howard Nemerov
Basic Books, Inc., 1966
Buku Teks
Bogan, Louise
Achievement in American poetry, 1900-1950
Henry Regnery, 1951
Buku Teks
Gray, Richard, 1944-
American poetry of the twentieth century
Longman, 1991
Buku Teks
Dembo, L.S.
Conceptions of reality in modern American poetry
University of California Press, 1966
Buku Teks