Columbia subject headings:
Holy Roman Empire. Reichstag.
Nobility--Germany.
Regensburg (Germany)--Social life and customs.
Harvard subject headings:
Holy Roman Empire. Reichstag.
Nobility--Germany
Regensburg (Germany)--Social life and customs.
Princeton subject headings:
Holy Roman Empire. Reichstag
Nobility--Germany.
Regensburg (Germany)--Social life and customs.