Columbia subject headings:
Constitutional history--Europe--Sources.
Europe--Politics and government--Sources.
Political science--Europe--History--Sources.
Harvard subject headings:
Europe--Politics and government--1492-1648--Sources.
Europe--Politics and government--1648-1789--Sources.
Europe--Social conditions--Sources.
Princeton subject headings:
Constitutional history--Europe.
Europe--Politics and government--1492-1648.
Europe--Politics and government--1648-1715.