Columbia subject headings:
Europe--Politics and government--1789-1900.
Gentz, Friedrich von, 1764-1832.
Harvard subject headings:
Europe--Politics and government--1789-1900.
Gentz, Friedrich von, 1764-1832.
Princeton subject headings:
Europe--Politics and government--1789-1900.
Gentz, Friedrich von, 1764-1832.