The Kashf al-mahjúb: The oldest Persian treatise on Súfiism

Singh, Baijnath [Translator]; Maniri, Sharaf al-Din Ahmad ibn Yahya, -1380?

Field, Claud, 1863-1941 [Translator]; Kapadia, S. A. (Shaporji Aspaniarji), 1857-1941 [Editor]; Cranmer-Byng, L. (Launcelot), 1872-1945 [Editor]; Ghazzali, 1058-1111