Columbia subject headings:
Harvard subject headings:
Hannover (Germany : Province)--History--19th century--Exhibitions.
Hanover, House of--History--19th century--Exhibitions.
Princeton subject headings:
Hannover (Germany : Province)--Kings and rulers--History--19th century--Exhibitions.
Hannover (Germany : Province)--Politics and government--History--19th century--Exhibitions.
Hanover, House of--History--19th century--Exhibitions.