books.google.com - Nishapuri flourished in the 12th century and wrote a succinct history in Persian of the Saljuq Turks, a tribal group from Central Asia who in the 11th century established a vast empire, enduring for some century and a half and bringing about lasting changes to the ethnic composition and the patterns...http://books.google.com/books/about/The_History_of_the_Seljuq_Turks_from_The.html?id=jmMpaJZemk0C&utm_source=gb-gplus-shareThe History of the Seljuq Turks from The Jāmiʻ Al-tawārīkh
