(3GdCOGQI GdGSdGejI aj YgO YeQ Hf GdNWGH (B/s - (3eLOdGhi, aGQhb SYjOs (Beirut : Dar al-Nahdah al-'Arabiyah, 1991)
Keywords: 'Umar ibn al-Khattab, -- Caliph, -- d. 644; Islam and politics