Gray, Richard, 1944-
American poetry of the twentieth century
Longman, 1991
 Buku Teks
Bogan, Louise
Achievement in American poetry, 1900-1950
Henry Regnery, 1951
 Buku Teks
Stepanchev, Stephen
American poetry since 1945 : a critical survey
Harper and Row, 1965
 Buku Teks
Poets on poetry / edited, Howard Nemerov
Basic Books, Inc., 1966
 Buku Teks
Contemporary poetry meets modern theory
edited by Antony Easthope, John O. Thompson
Harvester Wheatsheaf, 1991
 Buku Teks