BOSWORTH, Clifford Edmund. The Ghaznavids, their empire in Afghanistan and Eastern Iran 994-1040. [s.l.]: Edinburgh University Press, 1963. Dostupné online. S. 134. (perská turečtina)
BOSWORTH, Clifford Edmund. Historic Cities of the Islamic World. Leiden: Brill NV, 2007. 280 s. 2007. ISBN978-90-04-15388-2. (anglicky)
BORRERO, Mauricio. Russia: A Reference Guide from the Renaissance to the Present. New York: Facts On File, 2004. 162 s. 2009. ISBN0-8160-4454-6. (anglicky)
web.archive.org
Persian Prose Literature. HighBeam Research [online]. World Eras. Princes, although they were often tutored in Arabic and religious subjects, frequently did not feel as comfortable with the Arabic language and preferred literature in Persian, which was either their mother tongue—as in the case of dynasties such as the Saffarids (861–1003), Samanids (873–1005), and Buyids (945–1055)—or was a preferred lingua franca for them—as with the later Turkish dynasties such as the Ghaznawids (977–1187) and Saljuks (1037–1194, 2002 [cit. 2014-07-20]. Dostupné v archivu pořízeném dne 2013-05-02.