Columbia subject headings:
Harvard subject headings:
Chile--Description and travel.
Chile--Foreign relations--United States.
Provincias Unidas del Río de la Plata--Description and travel.
Provincias Unidas del Río de la Plata--Foreign relations--United States.
Spain--Foreign relations--United States.
United States--Foreign relations--Chile.
United States--Foreign relations--Provincias Unidas del Río de la Plata.
United States--Foreign relations--Spain.
Princeton subject headings:
Chile--Foreign relations--United States.
Rio de la Plata--Foreign relations--United States.
United States--Foreign relations--Chile.
United States--Foreign relations--Rio de la Plata.