Columbia subject headings:
Architecture--Conservation and restoration--Germany--Hannover.
Architecture--Germany--Hannover--History--19th century.
Classicism in architecture--Germany--Hannover.
Hannover (Germany)--Buildings, structures, etc.
Opernhaus Hannover.
Theater--Germany--Hannover--History.
Harvard subject headings:
Architecture, Baroque--Germany--Hannover.
Architecture--Conservation and restoration--Germany--Hannover.
Architecture--Germany--Hannover--History.
Classicism in architecture--Germany--Hannover.
Hannover (Germany)--Buildings, structures, etc.
Niedersächsische Staatstheater (Hannover, Germany)--History.
Opernhaus Hannover.
Theater--Germany--Hannover--History.
Theaters--Germany--Hannover--Designs and plans.
Princeton subject headings: