The Great yasa of Chingiz Khan and Mongol Law in the Ilkhanate

The Great yasa of Chingiz Khan and Mongol Law in the Ilkhanate

By D. O. Morgan

Bulletin of the School of Oriental and African Studies, Vol. 49:1 (1986)

Introduction: One of the odder features of the Persian sources on the history of the Mongol period is the vagueness and comparative rarity of references to the ‘Great Yasa of Chingiz Khan.’  This struck me with renewed force after reading Professor David Ayalon’s articles on the Yasa in Studia Islamica.  My suspicions about the whole having been aroused, it seemed to me that it might be an interesting exercise to look again at the origin and nature of the Yasa before trying to estimate how Mongol law worked in the Ilkhanate.  And so, as I hope to show in this paper, it proved.

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