M.I.T. Press and Harvard University, 1963
Buku Teks
Saburo, Ienaga, author
Rowman & Littlefield Publishers, Inc., 2001
Buku Teks
Watson, Burton, author
Columbia University Press, 1958
Buku Teks
Kohn, Hans, author
D. Van Nostrand Company, Inc., 1963
Buku Teks
American Academy of Arts and sciences, 1971
Buku Teks