Schimmel, Annemarie. <br/><br/>
Gabriel's wing :  study into the religious ideas of Sir Muhammad Iqbal / 
Annemarie Schimmel. 
 - Leiden :  E. J. Brill,  1963. 
 - ix, 428 pages. ;  25 cm. 
<br/><br/><label>Subjects--Personal Names: </label><br/>Iqbal, Muhammad, Sir,  1877-1938