Columbia subject headings:
Harvard subject headings:
Double taxation--Congresses.
Sales tax--Law and legislation--Congresses.
Turnover tax--Law and legislation--Congresses.
Use tax--Law and legislation--Congresses.
Value-added tax--Law and legislation--Congresses.
Princeton subject headings:
Double taxation--Congresses.
Sales tax--Law and legislation--Congresses.
Turnover tax--Law and legislation--Congresses.
Use tax--Law and legislation--Congresses.
Value-added tax--Law and legislation--Congresses.