Dallin, David
Hollis & Carter, 1949
Buku Teks
Shteppa, Konstantin F.
Rutgers University Press, 1962
Buku Teks
Kowalski, Ronald
Routledge, 1997
Buku Teks
Harvard University Press, 1955
Buku Teks
Moorehead, Alan, 1910-1983
Harper and Brother, 1958
Buku Teks