Rauch, Georg von, author
Frederick A. Praeger, 1962
Buku Teks
translated by George H. Hanna
Foreign Languages Publishing House, 1960
Buku Teks
Walsh, Warren Bartlett, author
The University of Michigan Press, 1958
Buku Teks
edited by Andrew Rothstein and Clemens Dutt
Foreign Languages Pub. House, 1960
Buku Teks
Spector, Ivar
Van Nostrand Reinhold, 1949
Buku Teks