Columbia subject headings:
Aicher, Otl--Exhibitions.
Architecture, Modern--20th century--Designs and plans--Exhibitions.
Architecture, Modern--20th century--Exhibitions.
Architecture--Environmental aspects--Exhibitions.
Design--History--20th century--Exhibitions.
Harvard subject headings:
Aicher, Otl--Exhibitions.
Architecture, Modern--20th century--Designs and plans--Exhibitions.
Architecture, Modern--20th century--Exhibitions
Architecture--Environmental aspects--Exhibitions.
Design--History--20th century--Exhibitions
Princeton subject headings:
Aicher, Otl--Exhibitions.
Architecture, Modern--20th century--Designs and plans--Exhibitions.
Architecture, Modern--20th century--Exhibitions.
Architecture--Environmental aspects--Exhibitions.
Design--History--20th century--Exhibitions.