551. University of Pennsylvania, LJS 403 Title: Alchemical texts Author: Ibrāhīm al-Ḥusaynī Place: Herat Date: A.H. 901-904 (1496-1499)
552. University of Pennsylvania, LJS 404 Title: Jāmiʻ al-ʻulūm Author: Fakhr al-Din al-Razi Place: Iran Date: [between 1200 and 1399?]
553. University of Pennsylvania, LJS 405 Title: Tasʹhīl al-naẓar wa-taʻjīl al-ẓafar Author: Al-Mawardi Place: Egypt Date: [1250-1350?]
554. University of Pennsylvania, LJS 407 Title: Astronomical texts Author: Nasir al-Din al-Tusi Date: [between 1500 and 1599?]
555. University of Pennsylvania, LJS 408 Title: Sharḥ al-Jaghmīnī Author: Qāḍī Zāda al-Rūmī Place: Samarkand Date: A.H. 830 (1427)
556. University of Pennsylvania, LJS 409 Title: Kitāb al-Kashf wa-al-bayān. Īḍāḥ al-rumūz fī al-burhān Date: [between 1600 and 1799?]
557. University of Pennsylvania, LJS 410 Title: Sharḥ al-Jaghmīnī Author: Qāḍī Zāda al-Rūmī Place: Iran Date: [between 1400 and 1599?]
558. University of Pennsylvania, LJS 412 Title: Treatise on astronomy Place: Cairo Date: A.H. 950 (1543)
560. University of Pennsylvania, Oversize LJS 417 Title: Canon of Medicine Author: Avicenna Date: A.H. 899-904 (1494-1498)