Clauson, Gerard, ed. 1981. An Etimological Dictionary of Pre-Thirteenth-Century Turkish : Index Vol II.. Vol. Vol. 15. Studia Uralo-Altaica. SZTE BTK Institute of Hungarian Language and Literature University of Szeged. https://ebook.ek.szte.hu/index.php/btk-magyarnyelviirodalmi-intezet/catalog/book/183.