AUTHOR
Qushayri, Abd al-Karim ibn Hawazin 986-1072
2
Bakhtiar, Laleh
1
Ghazzali 1058-1111
1
Hakim al-Tirmidhi, Muhammad ibn Ali active 898
1
Hujviri, Ali ibn Usman d. ca. 1072
1
McLean, George F.
1
Nicholson, Reynold Alleyne 1868-1945
1
O'Kane, John 1940-
1
Radtke, Bernd
1
Sulami, Muhammad ibn al-Husayn d -1021
1
Von Schlegell, B. R.
1