Columbia subject headings:
America--Economic integration--Congresses.
Chile--Commercial policy--Congresses.
Chile--Commercial treaties--Congresses.
Free trade--Chile--Congresses.
North American Free Trade Agreement--Congresses.
Harvard subject headings:
America--Economic integration--Congresses.
Chile--Commercial policy--Congresses.
Chile--Foreign economic relations--Congresses.
Free trade--Chile--Congresses.
North American Free Trade Agreement--Congresses.
Princeton subject headings: