Columbia subject headings:
Harvard subject headings:
Agriculture and state--Caribbean Area--Congresses.
Agriculture and state--Latin America--Congresses.
Agriculture--Caribbean Area--Congresses.
Agriculture--Latin America--Congresses.
Princeton subject headings:
Agriculture and state--Caribbean Area--Congresses.
Agriculture and state--Latin America--Congresses.
Agriculture--Caribbean Area--Congresses.
Agriculture--Latin America--Congresses.