Columbia subject headings:
Peace of Westphalia--Congresses.
Switzerland--Foreign relations--Congresses.
Switzerland--Politics and government--1499-1648.
Switzerland--Politics and government--1648-1789.
Harvard subject headings:
Peace of Westphalia--Congresses.
Switzerland--Foregn relations--Congresses.
Switzerland--Politics and government--1499-1648.
Switzerland--Politics and government--1648-1789.
Princeton subject headings:
Peace of Westphalia--Congresses.
Switzerland--Foregn relations--Congresses.
Switzerland--Politics and government--1499-1648.
Switzerland--Politics and government--1648-1789.