, circa 1300. (View Larger) Otto-Henry, Elector Palatine , (German: Ottheinrich ), Count Palatine of Palatinate-Neuburg from 1505 to 1559 and prince elector of the Palatinate from 1556 to 1559, formally established the Bibliotheca Palatina  in Heidelberg about this time. At its peak this library included about 5000 printed books and