Biblioteca Ambrosiana | Cappella Palatina | Biblioteca Nacional de Chile | Biblioteca Nacional | Bibliotheca Palatina |
In 1622, after the capture of Heidelberg by Tilly, when the Protestant Elector of Bavaria Frederick V was supplanted by a Catholic one, the victorious elector Maximilian of Bavaria presented the Palatinate library composed of 196 cases containing about 3500 manuscripts to Pope Gregory.