The mission of the Free Library of Philadelphia is to advance literacy, guide learning, and inspire curiosity.
![Vatikan, Biblioteca Apostolica Vaticana, Pal. lat. 291 Hrabanus Maurus: De rerum naturis (Süddeutschland (Heidelberg [?] oder Amberg [?]), 1425)](https://i.pinimg.com/originals/8c/08/f8/8c08f87554638d94361a4e298d039101.jpg)
