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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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KALHOR, Mirzā Mohammad-Reżā
(1829-1892), one of the most prominent 19th-century Persian calligraphers, often compared to such great masters of nastaʿliq as Mir ʿAli Heravi and Mir ʿEmād Sayfi Qazvini.
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CODES
It is likely that substitution ciphers were used by early Persian states, for nearly identical versions were still in use in Qajar Persia. During the reigns of Fatḥ-ʿAlī Shah and Moḥammad Shah (1834-48) the minister Abu’l-Qāsem Qāʾemmaqām devised a number of letter-substitution codes for communicating with different princes and viziers.