Columbia subject headings:
City planning--Germany--20th century--Exhibitions.
City planning--Germany--21st century--Exhibitions.
Public spaces--Germany--20th century--Exhibitions.
Public spaces--Germany--21st century--Exhibitions.
Harvard subject headings:
City planning--Germany--20th century--Exhibitions.
City planning--Germany--21st century--Exhibitions.
Public spaces--Germany--20th century--Exhibitions.
Public spaces--Germany--21st century--Exhibitions.
Princeton subject headings:
City planning--Germany--20th century--Exhibitions.
City planning--Germany--21st century--Exhibitions.
Public spaces--Germany--20th century--Exhibitions.
Public spaces--Germany--21st century--Exhibitions.