A glossary of sufi technical terms / compiled by ʿAbd al-Razzāq al-Qāshānī ; translated
from the Arabic by Nabil Safwat ; revised and edited by David Pendlebury, 1991
BN Cat. gén. 1980-1989, arabe
BN Service arabe
Encycl. Islam. GAL., II, parag. 203, 204, 205 ; S. II, p. 280-281