Hughes, Paul L., author
Littlefield, Adams, 1956
Buku Teks
Frederic, Louis, author
Harry N. Abrams, 1969
Buku Teks
edited by Muhammad Abdul Jabbar Beg.
Sally Printing Services, 1977
Buku Teks
Peffer, Nathaniel, author
George Routledge & Sons, 1931
Buku Teks
Groslier, Bernard Philippe, author
Frederick A. Praeger, 1957
Buku Teks