91. University of Pennsylvania, LJS 487 Title: Treatises on astronomical instruments Place: France Date: [between 1500 and 1599]
92. University of Pennsylvania, LJS 488 Title: Summa de arithmetica, geometria, proportioni et proportionalità Author: Luca Pacioli Place: Venice Date: [after 1494]
94. University of Pennsylvania, LJS 492 Title: Medical texts Place: Spain Date: [between 1425 and 1475]
95. University of Pennsylvania, LJS 493 Title: Physics (Aristotle) Author: Aristotle Date: between 1150 and 1175.
96. University of Pennsylvania, LJS 494 Title: Sphaera mundi Author: Johannes de Sacrobosco Place: Italy Date: [between 1425 and 1450]
97. 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?]
98. University of Pennsylvania, Oversize LJS 496 Title: Treatise on practical mathematical calculation Place: Italy Date: [between 1475 and 1499]
99. University of Pennsylvania, LJS 497 Title: Canones vel operationes in operando quadrante Place: Italy Date: [circa 1502]
100. University of Pennsylvania, LJS 498 Title: Tsurat ha-arets Author: Abraham bar Hiyya Place: Graz Date: [1542-1599?]