Brooks, Cleanth
Reynal & Hitchcock, 1947
Buku Teks
Grierson, Herbert John Clifford, Sir, 1866-1960, author
Chatto and Windus, 1950
Buku Teks
Allen, Don Cameron, author
John Hopkins Press , 1960
Buku Teks
Alexander, Harriet Semmes, 1949-, author
Swallow Press, 1986
Buku Referensi
Doren, Mark van, author
Hill & Wang, 1966
Buku Teks