Gibb, Hamilton A.R., Sir, author
Oxford University Press, 1949
Buku Teks
Spuler, Bertold, author
E.J. Brill, 1960
Buku Teks
McAllister, Richard, author
Routledge, 1997
Buku Teks
Croiset, Maurice
F. S. Crofts, 1951
Buku Teks
Rees, Leslie, 1905-2000, author
Angus & Robertson , 1978
Buku Teks