Krishnan, N.K. <br/><br/>
Islamic mysticism 
R.A. Nicholson. 
 - New Delhi  Aryan Books International  1998 
 - xii, 282p., 22cm 
 - (The Master-Piece library of Islam; 8) .
<br/><br/><label>ISBN: </label>81-7305-144-5. 
<br/><br/><label>Dewey Class. No.: </label>297.42  / N56I