found: Pandlar, 1993:t.p. (Muḣammad Ali ibn Muḣammad Sobir (Dukchi Ėshon))
found: Cambridge history of Islam, 1970:v. 1, p. 518 (rising led by Dukchi Ishan of Andijān in 1898)
found: An ethnohistorical dictionary of the Russian and Soviet Empires, 1994:p. 711 (1898 revolt broke out in the Fergana Valley centered around the town of Andijan. The leader of this rebellion, Muhammad Ali Khalfa, was a Sufi adept. Khalfa was eventually caught and hanged by the authorities)
found: Muslim culture in Russia and Central Asia from the 18th to the early 20th centuries, 1996:v. 2, p. 167-191 (title: Dūkči Īšān und der Aufstand von Andižan 1898) v. 2, p. 170 (his only known work is titled ʻIbrat al-ġāfilīn) v. 2, p. 188 (member of the Naqshabandīyah order)
found: Manāḳib-i Dūkchī Īshān, 2004:p. 11 (Dūkchi/Yikčī Īshān, AKA Muḥammad ʻAlī Dīwāna ibn Muḥammad Ṣābir, Īshān Madalī, Muḥammad ʻAlī Īshān, or Dukči Ešon; b. 1856; d. 1898)
