Kitāb waqf as-sulṭān an-Nāṣir Ḥasan Ibn-Muḥammad Ibn-Qalāwūn ʿalā madrasatihī bi-'r-Rumaila / ḥaqaqqathu wa-ʿallaqat ʿalaihi Huwaidā al-Ḥāriṯī yuṣdiruha li-Ǧamʿīyat al-Mustašriqīn al-Almānīya