Grierson, Herbert John Clifford, Sir, 1866-1960
Chatto and Windus, 1950
Buku Teks
Brooks, Cleanth, editor
Reynal & Hitchcock, 1947
Buku Teks
Alexander, Harriet Semmes, 1949-
Swallow Press, 1986
Buku Referensi
Doren, Mark van
Hill & Wang, 1966
Buku Teks
Ross, Alan
British Council, 1951
Buku Teks