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."