Columbia subject headings:
Cities and towns--History--20th century--Exhibitions.
Cities and towns--History--21st century--Exhibitions.
Urban geography--History--20th century--Exhibitions.
Urban geography--History--21st century--Exhibitions.
Harvard subject headings:
Princeton subject headings:
Cities and towns--History--20th century--Exhibitions.
Cities and towns--History--21st century--Exhibitions.
Urban geography--History--20th century--Exhibitions.
Urban geography--History--21st century--Exhibitions.