Columbia subject headings:
Harvard subject headings:
Argentina--Boundaries--Chile.
Argentina--Foreign relations--Chile--Sources.
Chile--Boundaries--Argentina.
Chile--Foreign relations--Argentina--Sources.
Chile--History, Military--Sources.
Treaties--Chile--History--Sources.
Treaties--History--Sources.
Princeton subject headings:
Argentina--Foreign relations--Chile.
Chile--Boundaries--History.
Chile--Foreign relations--Argentina.