The Kashf al-Mahjub, the oldest Persian treatise on sufilsm / Ali B. Uthman Al-Jullabi Al-Hujwiri, ed. Reynold A. Nicholson Ali B. Uthman Al-Jullabi Al-Hujwiri Reynold A. Nicholson ed. Sufiism. 297 ALK Includes index. London : Luzac, 1911 (1971) 1911 (1971) 1911 Text xx, 441p. ; eng