Zaman, Maheen (2018), "Shibli Numani", in Kassam, Zayn R.; Greenberg, Yudit Kornberg; Bagli, Jehan (eds.), Encyclopedia of Indian Religions: Islam, Judaism, and Zoroastrianism, Encyclopedia of Indian Religions, Dordrecht: Springer Netherlands, pp. 635–636, doi:10.1007/978-94-024-1267-3_877, ISBN978-94-024-1267-3