'Umar bin al-Khattab (3QVj Gddg Yfg (B:s the second caliph of Islam - Ahmad,'Abd al-Basit; Walker, Aqeel; Sapra, Muhammad Ayub (Riyadh : Darussalam, 2000)
Keywords: 'Umar ibn al-Khattab, -- Caliph, -- d. 644; Caliphs -- Biography