Columbia subject headings:
Property tax--Northwest, Old.
Property tax--Ohio--Trumbull County.
Harvard subject headings:
Northwest Territory. Act levying a territorial tax on land, and providing for a territorial tax for the year one thousand eight hundred and one.
Northwest, Old--Politics and government.
Real property tax--Northwest, Old.
Real property tax--Ohio--Trumbull County.
Taxation--Northwest, Old.
Trumbull County (Ohio)--Description and travel.
Princeton subject headings:
Property tax--Northwest, Old.
Property tax--Ohio--Trumbull County.