Columbia subject headings:
Natural resources--Taxation--Canada--Congresses.
Natural resources--Taxation--United States--Congresses.
Revenue sharing--Canada--Congresses.
Revenue sharing--United States--Congresses.
Harvard subject headings:
Natural resources--Taxation--Canada--Congresses.
Natural resources--Taxation--United States--Congresses.
Revenue sharing--Canada--Congresses.
Revenue sharing--United States--Congresses.
Princeton subject headings:
Natural resources--Taxation--Canada--Congresses.
Natural resources--Taxation--United States--Congresses.
Revenue sharing--Canada--Congresses.
Revenue sharing--United States--Congresses.