Columbia subject headings:
Harvard subject headings:
Bad Orb (Germany)--Economic conditions--19th century.
Bad Orb (Germany)--History--19th century.
Bad Orb (Germany)--Social conditions--19th century.
Princeton subject headings:
Bad Orb (Germany)--Economic conditions--19th century.
Bad Orb (Germany)--History--19th century.
Bad Orb (Germany)--Social conditions--19th century.