Columbia subject headings:
Exhibitions--Switzerland--Lausanne--History--20th century.
Schweizerische Landesausstellung (1964 : Lausanne, Switzerland)
Harvard subject headings:
Exhibitions--Switzerland--Lausanne--History--20th century.
Schweizerische Landesausstellung (1964 : Lausanne, Switzerland)
Princeton subject headings:
Exhibitions--Switzerland--Lausanne--History--20th century.
Schweizerische Landesausstellung (1964 : Lausanne, Switzerland)