Gibb, Hamilton A.R., Sir, editor
London, Routledge & Kegen Paul, 1957
Buku Teks
Gannun, Abd Allah, 1908-
Islamic Educational, Scientific and Cultural Organization, ISESCO, 1996
Buku Teks
Frederick A. Praeger, New York: Frederick A. Praeger, 1966
Buku Teks
Dobby, E.H.G. (Ernest Henry George), 1906-1981
Quadrangle Books, 1961
Buku Teks
Lubis, Mochtar, 1922-2004
Gapura, 1951
Buku Teks