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
The new American poetry : 1945-1960
edited by Donald M. Allen
Grove Press, 1960
 Buku Teks
Contemporary american poetry
edited by Howard Nemerov
Voice of America Forum Lectures, 1973
 Buku Teks
Grierson, Herbert John Clifford, Sir, 1866-1960
A critical history of English poetry
Chatto and Windus, 1950
 Buku Teks