Robert S. Kramer; Richard A. Lobban Jr.; Carolyn Fluehr-Lobban (2013). Historical Dictionary of the Sudan. Historical Dictionaries of Africa (4 edición). Lanham, Maryland, USA: Scarecrow Press, an imprint of Rowman & Littlefield. p. 361. ISBN978-0-8108-6180-0. Consultado el 2 de mayo de 2015. «QUBBA. The Arabic name for the tomb of a holy man ... A qubba is usually erected over the grave of a holy man identified variously as wali (saint), faki, or shaykh since, according to folk Islam, this is where his baraka [blessings] is believed to be strongest ...»
Hasan, Arif (27 de abril de 2014). «Karachi's Densification». Dawn. Consultado el 6 de diciembre de 2016. «The other site is the over 1,200-year-old tomb of Ghazi Abdullah Shah, a descendant of Imam Hasan. He has become a Wali of Karachi and his urs is an important event for the city and its inhabitants.»
Narrated by al-Bazzaar; classed as authentic by al-Albaani in Saheeh al-Jaami’, 2790, according to Saalih al-Munajjid, Muhammad. «26117: The Lives of the Prophets». Islam Question and Answer. Consultado el 14 de junio de 2018.
worldcat.org
Tourism., Tamil Nadu (India). Department of (1976), Thanjavur., OCLC5474630.
