B. Spuler, "Central Asia in the Mongol and Timurid periods", published in Encyclopædia Iranica, Online Edition, 2006/7, (LINKArchived 2009-02-24 at the Wayback Machine): "... Like his father, Olōğ Beg was entirely integrated into the Persian Islamic cultural circles, and during his reign Persian predominated as the language of high culture, a status that it retained in the region of Samarqand until the Russian revolution 1917 [...] Ḥoseyn Bāyqarā encouraged the development of Persian literature and literary talent in every way possible ..."
B. Spuler, "Central Asia in the Mongol and Timurid periods", published in Encyclopædia Iranica, Online Edition, 2006/7, (LINKArchived 2009-02-24 at the Wayback Machine): "... Like his father, Olōğ Beg was entirely integrated into the Persian Islamic cultural circles, and during his reign Persian predominated as the language of high culture, a status that it retained in the region of Samarqand until the Russian revolution 1917 [...] Ḥoseyn Bāyqarā encouraged the development of Persian literature and literary talent in every way possible ..."