Good, H. G.
Macmillan, 1961
Buku Teks
Taylor, Overton H.
Kogakusha Company,Ltd., 1960
Buku Teks
Varley, H. Paul
Praegar Publisher , 1973
Buku Teks
Kerr, George H.
Charles E. Tuttle Company, 1960
Buku Teks
Prescott, William Hickling, 1796-1859, author
The Modern Library , [date of publication not identified]
Buku Teks