Columbia subject headings:
British--North America--History--18th century.
British--North America--History--19th century.
Great Britain--Relations--United States.
United States--Relations--Great Britain.
United States--Territorial expansion.
Harvard subject headings:
British--North America--History--18th century.
British--North America--History--19th century.
Great Britain--Relations--United States.
United States--Relations--Great Britain.
United States--Territorial expansion.
Princeton subject headings:
British--North America--History--18th century.
British--North America--History--19th century.
Great Britain--Relations--United States.
United States--Relations--Great Britain.
United States--Territorial expansion.