Dr Parviz Kambin, A History of the Iranian Plateau: Rise and Fall of an Empire, Universe, 2011, p. 36, online edition.
Jamie Stokes and Anthony Gorman, Encyclopedia of the Peoples of Africa and the Middle East, 2010, p. 707, Online Edition: "The Safavid and Qajar dynasties, rulers in Iran from 1501 to 1722 and from 1795 to 1925 respectively, were Turkic in origin."
