Columbia subject headings:
Catholic Church. Archdiocese of Hamburg-Bremen--History.
Frederick III, King of Denmark and Norway, 1609-1670.
Peace of Westphalia
Thirty Years' War, 1618-1648.
Harvard subject headings:
Catholic Church. Archdiocese of Hamburg-Bremen--History.
Frederick III, King of Denmark and Norway, 1609-1670.
Peace of Westphalia
Thirty Years' War, 1618-1648
Princeton subject headings:
Bremen-Hamburg (Archdiocese)--History.
Frederick III, King of Denmark, 1609-1670.
Peace of Westphalia
Thirty Years' War, 1618-1648.