Includes bibliographies ;also as footnotes and indexes
v. 1. The land of Iran, edited by W. B. Fisher.--v. 2. The Median and Achaemenian periods, edited by Ilya Gershevitch.--v. 3(1,2) The Seleucid, Parthian, and Sasanian periods, edited by Ehsan Yarshater --v.4.The period from the Arab invasion to the Saljuqs,edited by R. N. Frye--v.5.The Saljuq and Mongol periods,edited by J. A. Boyle