Triling, Lionel
The Vall0Ballou Press Inc., 1943
Buku Teks
edited by Richard A. Chapman and A. Dunsire
George Allen and Unwin, 1971
Buku Teks
Tindall, William York
Books for Libraries Press, 1947
Buku Teks
Lawrence, David Herbert, 1885-1930
Ballantine Books, 1969
Buku Teks
Bingham, Neil
Page One Publishing , 2000
Buku Referensi