Encyclopædia Britannica, "Seljuq", Online Edition, (LINK): "… Because the Turkish Seljuqs had no Islamic tradition or strong literary heritage of their own, they adopted the cultural language of their Persian instructors in Islam. Literary Persian thus spread to the whole of Iran, and the Arabic language disappeared in that country except in works of religious scholarship …"
M.A. Amir-Moezzi, "Shahrbanu", Encyclopaedia Iranica, Online Edition, (LINKАрхивирано на сајту Wayback Machine (11. март 2007)): "… here one might bear in mind that Turco-Persian dynasties such as the Ghaznavids, Seljuqs and Ilkhanids were rapidly to adopt the Persian language and have their origins traced back to the ancient kings of Persia rather than to Turkish heroes or Muslim saints …"
M.A. Amir-Moezzi, "Shahrbanu", Encyclopaedia Iranica, Online Edition, (LINKАрхивирано на сајту Wayback Machine (11. март 2007)): "… here one might bear in mind that Turco-Persian dynasties such as the Ghaznavids, Seljuqs and Ilkhanids were rapidly to adopt the Persian language and have their origins traced back to the ancient kings of Persia rather than to Turkish heroes or Muslim saints …"