521. University of Pennsylvania, Ms. Codex 239 Title: Comedies Author: Terence Place: Germany Date: [1500?]
523. University of Pennsylvania, Ms. Codex 242 Title: Leggendario delle sante virgini Place: Italy Date: [between 1350 and 1499]
524. University of Pennsylvania, Oversize Ms. Codex 243 Title: Nicomachean ethics Author: Taddeo Alderotti Place: Italy Date: [1500?]
525. University of Pennsylvania, Ms. Codex 244 Title: Book of Genesis Author: Pietro Aretino Place: Italy Date: [between 1500 and 1550]
526. University of Pennsylvania, Ms. Codex 246 Title: Family documents Author: Bragadin Place: Italy Date: 1540-1565.
527. University of Pennsylvania, Ms. Codex 249 Title: Carmine alla beata vergine Maria Place: Italy Date: [14--]
528. University of Pennsylvania, Ms. Codex 250 Title: Il tempio di castitade : alla valorosa & inclita Signora, Eccellentissima e Realissima Madama Margherita d'Austria, Duchessa / Author: Giovan Theseo de Nardi Galatheo Place: Rome Date: 1553.
529. University of Pennsylvania, Ms. Codex 253 Title: Nicomachean ethics Author: Taddeo Alderotti Place: Italy Date: 1456.
530. University of Pennsylvania, Oversize Ms. Codex 254 Title: Teseida Author: Giovanni Boccaccio Place: Italy Date: [14--]