Columbia subject headings:
Harvard subject headings:
Architects--Germany
Architects--Switzerland.
Architecture--Germany--21st century.
Architecture--Germany--History--20th century
Architecture--Switzerland--21st century.
Architecture--Switzerland--History--20th century
Dudler, Max.
Princeton subject headings:
Architecture, Modern--20th century--Catalogs.
Architecture, Modern--21st century--Catalogs.
Catalogs.
Dudler, Max--Catalogs.