The Bibliotheca Bipontina is a regional scientific library in Zweibrücken, which has been part of the Landesbibliothekszentrum Rheinland-Pfalz since 1 September 2004. It is one of the most important Altbestand libraries in the land. The book stock amounts to about 120,600 volumes as of 2012, including 12,000 volumes of the museum's old stock from the princely libraries of the dukes of Zweibrück.
Localisation
It also holds the libraries of the Association for Palatine Church History (about 20,000 volumes) and the Zweibrücken Historical Association (about 10,000 volumes). The main focus of the holdings is on regional literature of the Palatinate and on humanities subjects. The founding collection of the Bibliotheca Bipontina was included in the Länderverzeichnis national wertvollen Kulturgutes in 2015.