Columbia subject headings:
Agriculture--Economic aspects--Europe--History.
Capitalism--Europe--History.
Europe--Economic conditions.
Europe--Social conditions.
Social classes--Europe--History.
Harvard subject headings:
Agriculture--Economic aspects--Europe--History
Capitalism--Europe--History
Europe--Economic conditions.
Europe--Social conditions.
Social classes--Europe--History
Princeton subject headings:
Agriculture--Economic aspects--Europe--History.
Capitalism--Europe--History.
Europe--Economic conditions.
Europe--Social conditions.
Social classes--Europe--History.