Abu Bakr As-Siddiq (3QVj Gddg Yfg (B:s the first caliph of Islam - Ahmad,'Abd al-Basit; Walker, Aqeel; Sapra, Muhammad Ayub (Riyadh : Darussalam, 2000)
Keywords: Abu Bakr, -- Caliph, -- d. 634; Muhammad, -- Prophet, -- d. 632 -- Companions -- Biography; Caliphs -- Biography