Columbia subject headings:
Industrialization--Netherlands.
Industrialization--Switzerland.
Industries--Netherlands.
Industries--Switzerland.
Patents--Netherlands.
Patents--Switzerland.
Harvard subject headings:
Industrialization--Netherlands.
Industrialization--Switzerland.
Industries--Netherlands
Industries--Switzerland
Patents--Netherlands.
Patents--Switzerland.
Princeton subject headings:
Industrialization--Netherlands.
Industrialization--Switzerland.
Patents--Netherlands.
Patents--Switzerland.