Welcome to Encyclopædia Iranica Foundation
The Encyclopaedia Iranica Foundation was established in 1990 with the mission to guarantee the Encyclopædia Iranica's intellectual independence and ensure its ongoing publication both in digital and print versions. Learn More
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Cinema Iranica
Cinema Iranica provides historical articles on movies, genres, film movements, filmographies, directors, composers, stars, cinematographers ...
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Women Poets Iranica
Women Poets Iranica is an integrative encyclopedia of postclassical, modern, and contemporary women poets.
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Encyclopædia Iranica
The 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.
Featured Articles
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SPULER, Bertold
As a teenager Spuler lived through the economic and political turmoils of the 1920s following German defeat in World War I. He received a humanist education, with a focus on Latin and Greek, at the Bismarck Gymnasium in Karlsruhe. Spuler easily picked up languages.
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DRAINAGE
the carrying away of excess surface water through runoff in permanent or intermittent streams. Persia can be divided into four main drainage regions: the Caspian region, the Lake Urmia region, the Persian Gulf region, and the interior. Most of it is characterized by endorheic basins, that is, by interior drainage.