original on 23 January 2023. Retrieved 4 August 2022. Eraydın, Selçuk (2001). Tasavvuf ve Tarikatlar (in Turkish). Marmara Üniversitesi Ilahiyat Vakfi Yayinlari...
al-Islami, Beirut 1404/1984, p. 179; Abdul Husain Zarrinkub, Justuju der Tasavvuf-i Iran, Tehran 1369 hş., p. 114-117; Aziz Seyyid Jasim, Mutasawwifat Baghdad...