Columbia subject headings:
Harvard subject headings:
Amnesty--Paraguay--Congresses.
Civil rights--Paraguay--Congresses.
Paraguay--Foreign relations--Uruguay--Congresses.
Political refugees--Legal status, laws, etc.--Paraguay--Congresses.
Uruguay--Foreign relations--Paraguay--Congresses.
Princeton subject headings:
Civil rights--Paraguay.
Paraguay--Foreign relations--Congresses.
Paraguay--Politics and government--1954---Congresses.