ʾal-Sīrah ʾal-Nabawiyah wa Tārīḫ ʾal-Ḫulafaʾa ʾal-Rāšidīn lil-saf ʾal-ʾawal ʾal-mutawasiṭ - ʿuṯīmīn, abd-ʿallah ʾal-Sāliḥ ʾal