The mystical vision of existence in classical Islam : the Quranic hermeneutics of the Sufi Sahl AtTustari d. 283/896 - Bowering, Gerhard, 1939 (de Gruyter, 1980)
Includes indexes
Keywords: Tustari, Sahl ibn Abd Allah; Creation (Islam); Sufism -- Doctrines; Koran -- Criticism, interpretation, etc. -- Biography