Columbia subject headings:
Cuba--Social policy.
Puerto Rico--Social policy.
Social planning--Cuba.
Social planning--Puerto Rico.
Harvard subject headings:
Cuba--Social policy--Congresses.
Puerto Rico--Social policy--Congresses.
Social planning--Cuba--Congresses.
Social planning--Puerto Rico--Congresses.
Princeton subject headings:
Cuba--Social policy--Congresses.
Puerto Rico--Social policy--Congresses.
Social planning--Cuba--Congresses.
Social planning--Puerto Rico--Congresses.