The Middle ages : an encyclopedia for students volume 1-4
editor, William Chester Jordan
Charles Scribner's Sons, 1996
 Buku Referensi
Encyclopedia of the modern middle east; Volume 3
edited by Reeva S. Simon, Philip Mattar and Richard W. Bulliet
Macmillan, 1996
 Buku Referensi
Encyclopedia of the modern middle east; Volume 4
edited by Reeva S. Simon, Philip Mattar, Richard W. Bulliet
Macmillan, 1996
 Buku Referensi
Encyclopedia of the modern middle east; Vol. 1-4
edited by Reeva S. Simon, Philip Mattar and Richard W. Bulliet
Macmillan, 1996
 Buku Referensi
Encyclopedia of the American west
editors Charles Phillips, Alan Axelrod
Simon & Schuster Macmillan, 1996
 Buku Referensi