सल्जक साम्राज्य छगू तुर्क-पारसी साम्राज्य ख।
- Savory, R. M. and Roger Savory, Introduction to Islamic civilisation, (Cambridge University Press, 1976 ), 82.
- Black, Edwin, Banking on Baghdad: inside Iraq's 7,000-year history of war, profit and conflict, (John Wiley and sons, 2004), 38.
- C.E. Bosworth, "Turkish Expansion towards the west" in UNESCO HISTORY OF HUMANITY, Volume IV, titled "From the Seventh to the Sixteenth Century", UNESCO Publishing / Routledge, p. 391: "While the Arabic language retained its primacy in such spheres as law, theology and science, the culture of the Seljuk court and secular literature within the sultanate became largely Persianized; this is seen in the early adoption of Persian epic names by the Seljuk rulers (Qubād, Kay Khusraw and so on) and in the use of Persian as a literary language (Turkish must have been essentially a vehicle for everyday speech at this time)
- Concise encyclopedia of languages of the world, Ed. Keith Brown, Sarah Ogilvie, (Elsevier Ltd., 2009), 1110;Oghuz Turkic is first represented by Old Anatolian Turkish which was a subordinate written medium until the end of the Seljuk rule.".
- A New General Biographical Dictionary, Vol.2, Ed. Hugh James Rose, (London, 1853), 214.
- Grousset, Rene, The Empire of the Steppes, (New Brunswick:Rutgers University Press, 1988), 167.
- Grousset, Rene, The Empire of the Steppes, (New Brunswick:Rutgers University Press, 1988),159,161; "In 1194, Togrul III would succumb to the onslaught of the Khwarizmian Turks, who were destined at last to succeed the Seljuks to the empire of the Middle East."