Columbia subject headings:
Guillet, Urbain, 1764-1817.
Land titles--Registration and transfer--Illinois.
Trappists--United States.
Harvard subject headings:
Catholic Church--Illinois.
Guillet, Urbain, 1764-1817.
Trappists--Illinois.
United States--Politics and government--1801-1815.
Princeton subject headings:
Guillet, Urban.
Land titles--Registration and transfer--Illinois.
Trappists--United States.