Columbia subject headings:
Harvard subject headings:
Dairy products industry--Switzerland--History--20th century.
Dairying--Switzerland--History--20th century.
Milk consumption--Social aspects--Switzerland.
Milk trade--Government policy--Switzerland.
Milk trade--Switzerland--History--20th century.
Princeton subject headings:
Milk consumption--Government policy--Switzerland.
Milk consumption--Social aspects--Switzerland.
Milk trade--Switzerland--History--20th century.