Columbia subject headings:
Art--Germany, Northern--Exhibitions.
Cities and towns--Germany, Northern--Exhibitions.
Germany, Northern--Civilization--Exhibitions.
Middle class--Germany, Northern--Exhibitions.
Harvard subject headings:
Art--Germany, Northern--Exhibitions.
Cities and towns, Medieval--Germany, Northern--Exhibitions.
Cities and towns--Germany, Northern--Exhibitions.
Germany, Northern--Civilization--Exhibitions.
Middle class--Germany, Northern--Exhibitions.
Princeton subject headings:
Art, German--Germany, Northern--Exhibitions.
Art, Medieval--Germany, Northern--Exhibitions.
Art, Renaissance--Germany, Northern--Exhibitions.