Columbia subject headings:
Europe--Economic conditions--To 1492--Sources.
Europe--Social conditions--To 1492--Sources.
Middle Ages.
Harvard subject headings:
Economic history--Medieval, 500-1500--Sources.
Europe--Economic conditions--To 1492--Sources.
Europe--Social conditions--To 1492--Sources.
Middle Ages
Social history--Medieval, 500-1500--Sources
Princeton subject headings:
Europe--Economic conditions--To 1492--Sources.
Europe--Social conditions--To 1492--Sources.
Middle Ages.