501. University of Pennsylvania, Ms. Codex 1568 Title: Family documents Place: Friuli Date: 1597-1600.
502. University of Pennsylvania, Oversize Ms. Codex 1571 Title: Historical texts Author: House of Requesens Place: Sicily Date: 1463-1660.
503. University of Pennsylvania, Ms. Codex 1577 Title: Fioretti di San Francesco Place: Venice Date: [between 1460 and 1480?]
504. University of Pennsylvania, Ms. Codex 1589 Title: Book of hours Author: Catholic Church Place: Elchingen Date: 1596.
505. University of Pennsylvania, Ms. Codex 1591 Title: Letters Author: Poliziano Date: [circa 1511-1514]
506. University of Pennsylvania, Ms. Codex 1593 Title: Confutatio libelli Philippi Melanchtonis cuius titulus est De officio principum Author: Nikolaus Apel Place: Mostburg Date: 1540.
507. University of Pennsylvania, Ms. Codex 1602 Title: Office Author: Catholic Church Place: Cologne Date: [between 1425 and 1450]
508. University of Pennsylvania, Ms. Codex 1604 Title: Hymns and prayers. Place: Germany Date: [1475-1499?]
509. University of Pennsylvania, Ms. Codex 1607 Title: Seneca's tragedies Place: Germany Date: [after 1589]
510. University of Pennsylvania, Ms. Codex 1609 Title: Letters Author: William IV, Landgrave of Hesse-Kassel Place: Germany Date: [after 1552]