Encyclopædia IranicaThe Encyclopædia Iranica is a comprehensive research tool dedicated to the study of Iranian civilization in the Middle East, the Caucasus, Central Asia, and the Indian subcontinent. The Encyclopædia is an international, collaborative project, based at Columbia University in the City of New York. Its compilation is overseen by the general editor Ehsan Yarshater and a team of Consulting Editors, all internationally renowned scholars of Iranian studies, who assist in the commissioning and editing of entries.