 Sources include "Mulhaqāt al-Surāh" (Supplement to the "Surah") by Jamal Qarshi (b.1230/31) who quoted an earlier 11th-century text "Tarikh-i Kashghar" (History of Kashgar) by Abū-al-Futūh 'Abd al-Ghāfir ibn al-Husayn al-Alma'i, an account by Ottoman historian known as the Munajjimbashi, as well as a fragment of a manuscript in Chagatai, "Tazkirah Bughra Khan" (Memory of Bughra Khan).Satuq was said to have come from Artux, identified in the 10th century book "Hudud al-'alam" (The Limits of the World) as a "populous village of the Yaghma", the Yaghma being one of the Turkish tribes that formed the Karakhanids.