571. Harvard University, MS Arab 268 Title: Durūs fī sharāʼiʻ al-Islām Author: Mu'awiya I Date: 211 [826 or 827
572. Harvard University, MS Arab 237 Title: Masālik al-afhām Author: Zayn al-Din al-Juba'i al'Amili Date: undated
573. Harvard University, MS Arab 375 Title: Tuḥfat al-ʻarūs wa-fākihat al-nufūs Author: Ahmed al-Tijani Date: 1558.
574. Harvard University, MS Arab 296 Title: Tawḍīḥ sharḥ Muqaddimat Abī al-Layth Author: Muṣṭafá ibn Zakarīyā ibn Aydughmush Qaramānī Date: 1444.
575. Harvard University, MS Arab 78 Title: Hādhā al-kitāb yabḥathu fī al-lughah al-ʻArabīyah Author: ʻAbd Allah ibn Muhammad al-Husayni Nuqrahkar Date: 108 [726 or 727
577. Harvard University, MS Arab 181 Title: Tadhkirat al-fuqahāʾ Author: Al-Hilli Date: 715 [1315 or 1316
578. Harvard University, MS Arab 278 Title: ʻUqūd wa-al-ijārah Author: Ḥusayn ʻAlī al-Sharīf al-Najafi Date: 122-124 [739/740-741/742
579. Harvard University, MS Arab 164 Title: Ḥalīyat al-muʻāshirīn Author: Muḥammad Ḥusayn Date: 327 [938 or 939
580. Harvard University, MS Arab 347 Title: Fann al-bayān Author: Shaykh Saduq Date: 613 [1216 or 1217