Columbia subject headings:
Constitutional amendments--United States.
Tax and expenditure limitations--Law and legislation--United States.
Taxation--Law and legislation--United States.
Harvard subject headings:
Constitutional amendments--United States
Tax and expenditure limitations--Law and legislation--United States.
United States. Congress--Voting.
Princeton subject headings:
Constitutional amendments--United States.
Tax and expenditure limitations--Law and legislation--United States.
United States. Congress--Voting.