1. University of Pennsylvania, Oversize LJS 481 Title: Ḥaṭṭ al-niqāb ʻan wujūh aʻmāl al-ḥisāb Author: Aḥmad ibn Ḥusayn Ibn al Qunfudh Place: Morocco Date: [between 14--? and 16--?]
2. Columbia University Rare Book & Manuscript Library, MS Or 50 Title: Bughyat al-ṭullāb ʻalá Munyat al-ḥussāb Author: Ibn Ghazi al-Miknasi Place: Morocco Date: 1747.