J. H. Kurtz, Church History (Volumes 1-3)
“ Herzog, as a mild and conciliatory person. The chapter now laid its right of election in the hands of the pope, and in May, 1882, Herzog was raised to the dignity of prince-bishop. There now remained vacant only the sees of Cologne, Posen, Limburg and Münster, which had been emptied by the depositions of the civil courts.―Meanwhile, too, the negotiations carried on at the instance of the government by privy councillor Von Schlözer, with the curia at Rome for the restoration of the embassy to the Vatican had been brought to a close. ”
