Columbia subject headings:
Conflict management--Europe--History.
Europe--History, Military.
Europe--History--1492-1648.
Europe--History--1648-1789.
Peace treaties.
Harvard subject headings:
Conflict management--Europe--History.
Europe--History, Military.
Europe--History--1492-1648.
Europe--History--1648-1789.
Peace treaties
Princeton subject headings:
Conflict management--Europe--History.
Europe--History, Military.
Europe--History--1492-1648.
Europe--History--1648-1789.
Peace treaties.