Bahadur, Nawab Sadr Yar Jung . <br/><br/>
Hadrat Abu Bakr: The First Caliph of Islam /  Textual Documents 
Nawab Sadr Yar Jung Bahadur. 
 - 1st ed. / 
 - Lahore :  Sh. Muhammad Ashraf ,  1959. 
 - 201p. ;  22cm. 
<br/><br/><label>Subjects--Index Terms: </label>Islamic History History-Islam G-Persian 
<br/><br/><label>Dewey Class. No.: </label>297.921  / B 179 Sh