Columbia subject headings:
Land value taxation--Canada.
Land value taxation--United States.
Real property tax--Canada.
Real property tax--United States.
Single tax.
Harvard subject headings:
Land value taxation--Canada.
Land value taxation--United States.
Real property tax--Canada.
Real property tax--United States.
Single tax.
Princeton subject headings:
Land use--Taxation--Canada.
Land use--Taxation--United States.
Single tax.