Rida, Muhammad, <br/><br/>
Abu Bakr al-Siddiq :  awwal al-khulafa' al-rashidin, / 
ta'lif: Muhammad Rida. 
 - Second edition. 
 - al-Qahirah :  Dar Ahya' al-Kutub al-'Arabiyah,  1950. 
 - 227 pages ;  20 cm. 
<br/><br/><label>Subjects--Personal Names: </label><br/>Abu Bakr, Caliph,  d. 634.