The Encyclopaedia Iranica is a comprehensive research tool dedicated to the study of Iranian civilization in all aspects from prehistory to the present.

The scope of the Encyclopaedia Iranica encompasses the multi-disciplinary study of all the peoples speaking Iranian languages, wherever they have lived, in all time periods; the reciprocal relations of the Iranians and their neighbors, especially those of the Middle East, the Indian subcontinent, the Caucasus, and Central Asia; and the influence of Iranian civilization in a global context. It particularly endeavors to include subjects such as Shiʿite studies, Iranian ethnography and folklore, the history of science, calligraphy, music, and the arts, as well as entries on books of major significance. As an academic reference work, it seeks to cover all aspects of Iranian history and culture as well as all Iranian languages and literatures, facilitating the whole range of research in Iranian studies in fields ranging from archeology to the social and natural sciences. However, biographies of living persons are excluded. Entries, authored by the best available authority, are peer-reviewed and signed, include in-text documentation, and provide bibliographies appropriate to the subject.
Encyclopaedia Iranica Online
Encyclopaedia Iranica Online is now freely accessible at https://brill.com/eiro or through https://referenceworks.brillonline.com/browse/encyclopaedia-iranica-online. This new website, hosted by Brill, a leading academic publisher, is the only digital platform authorized by Columbia University for the Encyclopaedia Iranica content edited, produced, and curated by the Yarshater Center.
Recent Volumes
Volume XVI: Kashan — Khorasan XIV (Published July 2021, printed in color).To purchase this volume, please contact the publisher, Koninklijke Brill NV, Leiden, The Netherlands
This bound volume replaces the older unbound fascicles XVI.1 through XVI.6 dating from 2012-2020. It covers the same alphabetical range, Kashan to Khorasan, but as a revised and expanded edition adds over forty pages of new material, incorporates numerous addenda and corrigenda as well as updated articles, and includes improved maps and color illustrations.
Recent Fascicles
Volume XVII, Fascicle 3: King of the Benighted — Kokand Khanate (Published January 2023, printed in color). To purchase this fascicle, please contact the publisher, Koninklijke Brill NV, Leiden, The Netherlands
Fascicle XVII/3 contains the following entries (not including cross-reference entries):
- Title
- King of the Benighted
- Author(s)
- Nasrin Rahimieh and Daniel Rafinejad
- Title
- Kingship ii. In the Achaemenid Empire
- Author(s)
- Amélie Kuhrt
- Title
- Kingship iii. In the Parthian period
- Author(s)
- Edward Dąbrowa
- Title
- Kingship iv. In Sasanian Iran
- Author(s)
- M. Rahim Shayegan
- Title
- Kingship v. In eastern Iranian lands
- Author(s)
- Carlo Marchetti
- Title
- Kingship vi. The Persian concept of kingship in the Islamic period
- Author(s)
- Blain Auer
- Title
- Kinneir, John Macdonald
- Author(s)
- Fuchsia Hart
- Title
- Kipā
- Author(s)
- Majdoddin Keyvani
- Title
- Kirakos Ganjakec’i
- Author(s)
- Sergio La Porta
- Title
- Ḵiri
- Author(s)
- Ahmad Aryavand and Bahram Grami
- Title
- Kirste, Johann Ferdinand Otto
- Author(s)
- Michaela Zinko
- Title
- Kish
- Author(s)
- Daniel T. Potts
- Title
- Kish Free Trade Zone
- Author(s)
- Arang Keshavarzian
- Title
- Klaproth, Heinrich Julius [von]
- Author(s)
- Rüdiger Schmitt
- Title
- Klima, Otakar
- Author(s)
- Paolo Ognibene
Volume XVII, Fascicle 2: Khotan III — King of the Benighted (Published July 2022, is printed with illustrations in color). To purchase this fascicle, please contact the publisher, Koninklijke Brill NV, Leiden, The Netherlands
Fascicle XVII/2 contains the following entries (not including cross-reference entries):
- Title
- Khotan iii. History in the Islamic Period (cont’d from XVII/1)
- Author(s)
- Eric Schluessel
- Title
- Khotan iv. The Khotanese Language
- Author(s)
- Prods Oktor Skjaervo
- Title
- Khotan v. Khotanese Literature
- Author(s)
- Mauro Maggi
- Title
- Khotan vi. Khotanese Art
- Author(s)
- Ciro Lo Muzio
- Title
- Khoy
- Author(s)
- Kevin Gledhill
- Title
- Khujand
- Author(s)
- Keith Hitchins
- Title
- Khuldābād
- Author(s)
- Kashshaf Ghani
- Title
- Khush Mahal
- Author(s)
- Phillip B. Wagoner
- Title
- Khwarazmshah iii. The Line of Anuštigin
- Author(s)
- C. Edmund Bosworth
- Title
- Khyber Pass
- Author(s)
- Andreas Wilde
- Title
- Kiā (Kār Kiā)
- Author(s)
- Yukako Goto
- Title
- Kiā, Ṣādeq
- Author(s)
- Habib Borjian
- Title
- Ḵiābāni
- Author(s)
- Mansour Bonakdarian
- Title
- Kiāni
- Author(s)
- S. J. Badakhchani
- Title
- Kiānuri
- Author(s)
- Siavush Randjbar-Daemi and Leonard Willy Michael
- Title
- Kiarostami
- Author(s)
- Jamsheed Akrami
- Title
- Kidarites
- Author(s)
- Frantz Grenet
- Title
- Kieffer
- Author(s)
- Daniel Septfonds
- Title
- Kilizu i. The Site
- Author(s)
- Antonio Invernizzi
- Title
- Kilizu ii. Excavations since 2011
- Author(s)
- Ilaria Calini
- Title
- Kimiā
- Author(s)
- Pierre Lory
- Title
- Kimiā-ye Sa’ādat
- Author(s)
- Alexey Khismatulin
- Title
- Kindyktepa
- Author(s)
- Victor Mokroborodov
- Title
- Kinet Höyük
- Author(s)
- Charles Gates
- Title
- King of the Benighted
- Author(s)
- Nasrin Rahimieh and Daniel Rafinejad
Volume XVII, Fascicle 1: Khorasan XV — Khotan III (Published April 2022, printed in color). To purchase this fascicle, please contact the publisher, Koninklijke Brill NV, Leiden, The Netherlands
Fascicle XVII/1 contains the following entries (not including cross-reference entries):
- Title
- Khorasan xv. The Babi-Bahai Community
- Author(s)
- Minou Foadi
- Title
- Khorasan xvii. The Kurdish Communities
- Author(s)
- Mohammad Hossein Papoli Yazdi and Fatemeh Vossoughi
- Title
- Khorasan xviii. Physical Geography of Khorasan
- Author(s)
- Eckart Ehlers
- Title
- Khorasan xix. Linguistic Features of Khorsani Persian
- Author(s)
- Ali Ashraf Sadeghi
- Title
- Khorasan xxiii. Turkic Dialects of Khorasan
- Author(s)
- Sultan Tulu
- Title
- Khorasan xxiv. Monuments of Khorasan
- Author(s)
- Meysam Labbaf-Khaniki
- Title
- Khorasan xxvi. Music of Khorasan
- Author(s)
- Ameneh Youssefzadeh
- Title
- Khorasan xxvii. Folklore of Khorasan
- Author(s)
- Zahra Saghiri and EIr.
- Title
- Khorasan xxviii. Newspapers of Khorasan
- Author(s)
- Hossein Elahi
- Title
- Khorasan xxix. Population of Modern Khorasan
- Author(s)
- Mohammad Hossein Nejatian
- Title
- Khordeh Avesta
- Author(s)
- William W. Malandra
- Title
- Khorheh
- Author(s)
- Ali Mousavi
- Title
- Khorramabad
- Author(s)
- Eckart Ehlers
- Title
- Khorramshahr i. Physical and Human Geography
- Author(s)
- Eckart Ehlers
- Title
- Khorramshahr ii. Population 1956-2011
- Author(s)
- Mohammad Hossein Nejatian
- Title
- Khotan
- Author(s)
- Prods Oktor Skjærvø
- Title
- Khotan i. Geography
- Author(s)
- Alain Cariou
- Title
- Khotan ii. History in the Pre-Islamic Period
- Author(s)
- Hiroshi Kumamoto
- Title
- Khotan iii. History in the Islamic Period
- Author(s)
- Eric Schluessel
Volume XVI, Fascicle 6: Khomeini — Khorasan XIV (Published October 2020, printed in color).To purchase this fascicle, please contact the publisher, Koninklijke Brill NV, Leiden, The Netherlands
Fascicle XVI/6 contains the following entries (not including cross-reference entries):
- Title
- Khomeini, Ruhollah Musavi i. Life (cont’d from XVI/5)
- Author(s)
- Hamid Algar
- Title
- Khomeini, Ruhollah Musavi ii. Works
- Author(s)
- Hamid Algar
- Title
- Khorasan i. The Concept of Khorasan
- Author(s)
- Meysam Labbaf-Khaniki and Rocco Rante
- Title
- Khorasan ii. Pre-Islamic History
- Author(s)
- Carlo G. Cereti
- Title
- Khorasan iii. Historical Geography in the Late Sasanid-Early Islamic Periods
- Author(s)
- Mark Luce
- Title
- Khorasan iv. The Arab Conquest and Omayyad Period
- Author(s)
- Mark Luce
- Title
- Khorasan v. History in the Abbasid Period
- Author(s)
- EIr.
- Title
- Khorasan vi. History in the Taherid and Samanid Periods
- Author(s)
- C. Edmund Bosworth and EIr.
- Title
- Khorasan vii. History from the Ghaznavids to the Mongol Conquest
- Author(s)
- D. G. Tor
- Title
- Khorasan x. History in the Safavid and Afsharid Periods
- Author(s)
- Kioumars Ghereghlou
- Title
- Khorasan xi. History in the Qajar and Pahlavi Periods
- Author(s)
- Yousef Motavalli Haghighi
- Title
- Khorasan xiii. Khorasan in Modern Islamist Ideology
- Author(s)
- Amin Tarzi
- Title
- Khorasan xiv. Ethnology of Qajar and Pahlavi Khorasan
- Author(s)
- Pierre Oberling
Volume XVI, Fascicle 5: Khavaran-Nama — Khomeini (Published October 2019). Fascicle XVI.5 is the first fascicle to be printed in color. To purchase this fascicle, please contact the publisher, Koninklijke Brill NV, Leiden, The Netherlands
Fascicle XVI/5 contains the following entries (not including cross-reference entries):
- Title
- Khavaran-nama ii. The Illustrated Manuscripts
- Author(s)
- Raya Shani
- Title
- Khayyam i. Life
- Author(s)
- Ḥosayn Maʿṣumi Hamadāni and EIr
- Title
- Khayyam ii. Poetry
- Author(s)
- Sayyed ʿAli Mirafżali
- Title
- Khayyam iii. Impact on Literature and Society in the West
- Author(s)
- Jos Biegstraaten
- Title
- Khayyam iv. English Translations of the Rubaiyat
- Author(s)
- Austin O’Malley
- Title
- Khayyam v. Illustrations of English Translations of the Rubaiyat
- Author(s)
- William H. Martin and Sandra Mason
- Title
- Khayyam vi. French Translations of the Rubaiyat
- Author(s)
- Agnès Lenepveu-Hotz
- Title
- Khayyam vii. German Translations of the Rubaiyat
- Author(s)
- Hamid Tafazoli
- Title
- Khayyam viii. Italian Translations of the Rubaiyat
- Author(s)
- Mario Casari
- Title
- Khayyam ix. Russian Translations of the Rubaiyat
- Author(s)
- Natalia Chalisova and Firuza Melville
- Title
- Khayyam x. Arabic Translations of the Rubaiyat
- Author(s)
- Huda Fakhreddine
- Title
- Khayyam xiii. Musical Works Based on the Rubaiyat
- Author(s)
- William H. Martin and Sandra Mason
- Title
- Khayyam xiv. As Mathematician
- Author(s)
- Bijan Vahabzadeh
- Title
- Khayyam xv. As Astronomer
- Author(s)
- Younes Karamati
- Title
- Khazars
- Author(s)
- Dan D. Y. Shapira
- Title
- Khazarvān
- Author(s)
- EIr
- Title
- Kheyrkhah, Hoseyn
- Author(s)
- Ali Pour Issa
- Title
- Khiva
- Author(s)
- Yuri Bregel and Paolo Sartori
- Title
- [Al-] Khoei Benevolent Foundation
- Author(s)
- Elvire Corboz
- Title
- Khoja
- Author(s)
- Ali Asani
- Title
- Kholosi
- Author(s)
- Erik Anonby, Hassan Mohebbi Bahmani, Maryam Nourzaei, and Mortaza Taheri-Ardali
- Title
- Khomeini, Ruhollah Musavi
- Author(s)
- Hamid Algar
Volume XVI Fascicle 4: Kešaʾi Dialect - Khavaran-Nama (Published October 2018). To purchase this fascicle, please contact the publisher, Koninklijke Brill NV, Leiden, The Netherlands.
- Title
- Kešaʾi Dialect
- Author(s)
- Habib Borjian
- Title
- Kesāʾi Marvazi
- Author(s)
- J. T. P. de Bruijn
- Title
- Ḵeṣāli
- Author(s)
- Osman G. Özgüdenli
- Title
- Kešāvarz Ṣadr
- Author(s)
- Shahram Ghanbari
- Title
- Kesrā
- Author(s)
- Michael Cooperson
- Title
- Kesravi
- Author(s)
- Jaakko Hameen-Anttila
- Title
- Ketāb al-ʿĀlem wa’l-Ḡolām
- Author(s)
- David Hollenberg
- Title
- Ketāb al-Eṣlāḥ
- Author(s)
- Shin Nomoto
- Title
- Ketāb al-Fotuḥ
- Author(s)
- Elton L. Daniel
- Title
- Ketāb-e Iqān
- Author(s)
- Sholeh Quinn and Stephen N. Lambden
- Title
- Ketāb al-Naqż
- Author(s)
- Kazuo Morimoto
- Title
- Ketāb al-Riāż
- Author(s)
- Faquir M. Hunzai
- Title
- Ketāb al-Tadwin
- Author(s)
- Kazuo Morimoto
- Title
- Ketāb al-Tafhim
- Author(s)
- Sonja Brentjes
- Title
- Ketābči (Kitabgi) Khan
- Author(s)
- Leonardo Davoudi
- Title
- Ketāb-Ḵāna-ye Melli-e Tājikestān
- Author(s)
- Evelin Grassi
- Title
- Ḵeṭāy-Nāma
- Author(s)
- Ralph Kauz
- Title
- Kevorkian, Hagop
- Author(s)
- Yelena Rakic
- Title
- Keyvānlu
- Author(s)
- Pierre Oberling
- Title
- Ḵeżr
- Author(s)
- Anna Krasnowolska
- Title
- Khachikian, Samuel
- Author(s)
- Jamsheed Akrami
- Title
- Khademi, Ali Mohammad
- Author(s)
- Chapour Rassekh
- Title
- Khadiv Jam, Hossein
- Author(s)
- EIr
- Title
- Khagan
- Author(s)
- Étienne de la Vaissière
- Title
- Khaksar, Mansur
- Author(s)
- Khosrow Davami and EIr
- Title
- Khalchayan
- Author(s)
- Lolita Nehru
- Title
- Khalesi, Mehdi
- Author(s)
- Omid Ghaemmaghami and Mina Yazdani
- Title
- Khalesizadeh, Mohammad
- Author(s)
- Mina Yazdani
- Title
- Khalkhāl i. The Town and District
- Author(s)
- Marcel Bazin
- Title
- Khalkhāl ii. Basic Population Data
- Author(s)
- Mohammad Hossein Nejatian
- Title
- Khan
- Author(s)
- Gene R. Garthwaite
- Title
- Khanlari, Parviz
- Author(s)
- Abdolhossein Azarang and EIr
- Title
- Khanlari, Zahra
- Author(s)
- Zahra Khanloo
- Title
- Khansari Dehkordi, Mohammad
- Author(s)
- Alvand Bahari
- Title
- Khanykov, Nikolai
- Author(s)
- Denis V. Volkov
- Title
- Kharg i. Geography
- Author(s)
- Habib Borjian
- Title
- Kharg ii. Archeology and History
- Author(s)
- D. T. Potts
- Title
- Kharg iii. Developments Since 1950
- Author(s)
- G. Mirfendereski
- Title
- Kharga Oasis
- Author(s)
- Henry P. Colburn
- Title
- Kharijites in Persia
- Author(s)
- C. Edmund Bosworth
- Title
- Khatibi Nuri, Hosayn
- Author(s)
- Majdoddin Keyvani
- Title
- Khatlon
- Author(s)
- Habib Borjian
- Title
- Khavaran-nama i. The Epic Poem
- Author(s)
- Julia Rubanovich
- Title
- Khavaran-nama ii. The Illustrated Manuscripts
- Author(s)
- Raya Shani
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