 The work is written from a distinctly Roman Catholic point of view and is partisan in its account of the conflict between the Empire and the Papacy in the medieval era, of the Protestant Reformation and the Counter-Reformation, and of the Rationalism of the eighteenth century.Weiss also edited Gfrörer's "Geschichte des XVIII.Jahrhunderts" (Schaffhausen, 1862–74), and "Byzantinische Geschichten" (Graz, 1872–74).