Columbia subject headings:
Arbitration (International law)
Bolivia--Foreign relations--Paraguay.
Chaco Boreal (Paraguay and Bolivia)
Paraguay--Foreign relations--Bolivia.
Harvard subject headings:
Arbitration (International law)
Bolivia--Foreign relations--Paraguay.
Chaco Boreal (Paraguay and Bolivia)
Paraguay--Foreign relations--Bolivia.
Princeton subject headings:
Arbitration (International law)
Bolivia--Foreign relations--Paraguay.
Chaco Boreal (Paraguay and Bolivia)
Paraguay--Foreign relations--Bolivia.