Columbia subject headings:
Europe--Politics and government--18th century.
France--Foreign relations--1774-1793.
Vergennes, Charles Gravier, comte de, 1719-1787.
Harvard subject headings:
Europe--Politics and government--18th century.
France--Foreign relations--1774-1793.
Vergennes, Charles Gravier, comte de, 1719-1787.
Princeton subject headings: