al-Ḥurūb aṣ-ṣalībīya : al-ʿalāqāt baina 'š-šarq wa-'l-ġarb fi 'l-qarnain 12-13 m - ʿAwaḍ, Muḥammad Mu'nis Aḥmad (VerfasserIn) (ʿAin li-d-Dirāsāt wa-'l-Buḥūṯ al-Insānīya wa-'l-Iǧtimāʿīya, 1999)