Columbia subject headings:
Architecture--Germany--Oldenburg--History--18th century--Exhibitions.
Architecture--Germany--Oldenburg--History--19th century--Exhibitions.
Neoclassicism (Architecture)--Germany--Oldenburg--Exhibitions.
Oldenburg (Germany)--Buildings, structures, etc.--Exhibitions.
Harvard subject headings:
Architecture, Modern--17th-18th centuries--Germany--Oldenburg.
Architecture, Modern--19th century--Germany--Oldenburg.
Architecture--Germany--Oldenburg.
Classicism in architecture--Germany--Oldenburg.
Oldenburg (Germany)--Buildings, structures, etc.
Princeton subject headings:
Architecture--Germany--Oldenburg--18th century.
Architecture--Germany--Oldenburg--19th century.
Classicism in architecture--Germany--Oldenburg.
Neoclassicism (Architecture)--Germany--Oldenburg.