Columbia subject headings:
Europe--Economic conditions--1918-1945.
Europe--Politics and government--1918-1945.
Europe--Social conditions.
Industrial policy.
Harvard subject headings:
Europe--Economic conditions--1918-1945
Europe--Politics and government--1918-1945
Europe--Social conditions
Industrial policy
Princeton subject headings:
Europe--Economic conditions--1918-1945.
Europe--Politics and government--1918-1945.
Europe--Social conditions.
Industrial policy.