31. University of Pennsylvania, LJS 465 Title: Poem Author: Ibn Luyun Place: Spain Date: [13--?-14--?]
32. University of Pennsylvania, LJS 467 Title: Hādhā min Khawāṣs al-manāzil wa-hiya fī al-maghrib anwāʼ Place: North Africa Date: [13--?-15--?]
33. University of Pennsylvania, LJS 474 Title: Sharḥ al-Jaghmīnī Author: Qāḍī Zāda al-Rūmī Date: [between 1600 and 1799?]
34. University of Pennsylvania, Oversize LJS 478 Title: Kitāb fī istīʻāb al-wujūh al-mumkinah fī ṣanʻat al-asṭurlāb Author: Al-Biruni Date: A.H. 625 (1228)
35. 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--?]
36. University of Pennsylvania, Oversize LJS 486 Title: Kitāb Alghāz fī al-lughah al-ʻArabīyah Place: Egypt Date: A.H. 720 (1320)
37. University of Pennsylvania, LJS 495 Title: Kharīdat al-ʻajāʼib wa farīḍat al-gharāʼib Author: Sirāj al-Dīn Abū Ḥafṣ ʻUmar Ibn al-Wardī Date: [between 1450 and 1550?]
38. University of Pennsylvania, CAJS Rar Ms 126 Title: Shifāʼ fī taʻrīf ḥuqūq al-Muṣṭafá Author: Qadi Ayyad Date: A.H. 831 (1428)
39. University of Pennsylvania, CAJS Rar Ms 137 Title: Rawḍ al-rayāḥīn fī ḥikāyāt al-ṣāliḥīn Author: Abdullah bin Asaad Al-Yafi'i Place: A.H. 804 (1402) Date: 1402.
40. University of Pennsylvania, CAJS Rar Ms 142 Title: Muntahá al-irādāt fī jamʻ al-Muqniʻ maʻa al-Tanqīḥ wa-ziyādāt Author: Taqī al-Dīn Muḥammad ibn Aḥmad Ibn al-Najjār Date: [between 1600 and 1799?].