Richards, D. S. The chronicle of Ibn al-Athīr for the crusading period from al-Kāmil fīʼl-taʼrīkh. Ashgate Publishing. 2010. səh.269. ISBN9780754669524. On 8 Rabīʼ I of this year [9 March 1226] Jalāl al-Dīn, son of Khwārazm Shāh, conquered the city of Tiflis from the Georgians.
Matthee, Rudi (2006b). "Iraq iv. Relations in the Safavid period". Encyclopaedia Iranica (Vol. XIII, Fasc. 5 and Vol. XIII, Fasc. 6). New York. pp. 556–561.