Brown, Seyon
Columbia University Press, 1968
Buku Teks
Departement of Stetes Based, 1949
Buku Teks
Fairbank, John K. (John King), author
Harvard University Press, 1948.
Buku Teks
Fairbank, John K. (John King), author
Harvard University Press, Cambridge: , 1948
Buku Teks
Hyde, Charles Cheney, 1873-1952, author
Little, Brown, 1947, 1951
Buku Teks