TY  - BOOK
AU  - Lings, Martin
TI  - The Book of Certainty the Sufi Doctrines of Faith Vision and Gnosis 
U1  - 297.410113 
PY  - 1999///
CY  - Lahore : 
PB  - Suhail Academy, 
KW  - Sufism
N1  - NN
ER  -