Longmans, 1961
Buku Teks
Reeves, James, author
William Heinemann , 1961
Buku Teks
edited by, W.H. Auden and Norman Holmes Pearson
Eyre & Spottiswoode, 1952
Buku Teks
edited by John Wain
Oxford University Press, 1990
Buku Referensi
Stevenson, Burton Egbert, author
Henry Holt, 1942
Buku Referensi