1. University of Pennsylvania, LJS 232 Title: Trattato delle proportioni et proportionalità Author: Benedetto Varchi Date: 1539
2. University of Pennsylvania, LJS 488 Title: Summa de arithmetica, geometria, proportioni et proportionalità Author: Luca Pacioli Place: Venice Date: [after 1494]
3. University of Pennsylvania, Oversize LJS 496 Title: Treatise on practical mathematical calculation Place: Italy Date: [between 1475 and 1499]
4. University of Pennsylvania, Oversize Ms. Codex 305 Title: Filofistea Author: Calisto Mazzolla Vicentino Place: Rome Date: 1561.
5. University of Pennsylvania, Oversize Ms. Codex 353 Title: Viridarium consolationis Place: Italy Date: [14--]
6. University of Pennsylvania, Ms. Codex 397 Title: Tractato breve della via della salute Place: Italy Date: [between 1500 and 1599]
7. University of Pennsylvania, Ms. Codex 469 Title: Ethica secondo la dottrina d'Aristotile : a lo illustrissimo reverendissimo Don Hippolito da Este, secondo cardinale di Fèrrara / Author: Gabriele Cesano Place: Saluzzo Date: [1560?]