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
Poets on poetry / edited, Howard Nemerov
Basic Books, Inc., 1966
Buku Teks
Dembo, L.S.
Conceptions of reality in modern American poetry
University of California Press, 1966
Buku Teks
Stepanchev, Stephen
American poetry since 1945 : a critical survey
Harper and Row, 1965
Buku Teks