J. A. Boyle - History - 1968 - 778 pages
Volume 5 is a survey of every aspect of the civilisations which flourished in the Iranian region between the eleventh and thirteenth centuries.
W. B. Fisher - History - 1968 - 804 pages
Volume I is devoted to the geography, geology, anthropology, economic life, and flora and fauna, setting the physical stage for the human events which follow.