Columbia subject headings:
Canada--Politics and government.
Political planning--Canada.
Political planning--United States.
United States--Politics and government.
Harvard subject headings:
Canada--Politics and government.
Political planning--Canada.
Political planning--United States.
United States--Politics and government.
Princeton subject headings:
Canada--Politics and government.
Political planning--Canada.
Political planning--United States.
United States--Politics and government.