Richard N. Frye and Aydin M. Sayili. Turks in the Middle East before the Saljuqs // Journal of the American Oriental Society. Vol. 63, No. 3. Published by American Oriental Society. — Jul.–Sep. 1943, pp. 194–207. File format: PDF File size: 2.87 Mb
Aydin M. Sayili. Was Ibni Sina an Iranian or a Turk? // Isis. Vol. 31, No. 1. Published by The University of Chicago Press on behalf of The History of Science Society. — Nov. 1939, pp. 8–24. File format: PDF File size: 0.65 Mb