Columbia subject headings:
Harvard subject headings:
Burton, Theodore E. (Theodore Elijah), 1851-1929.
South America--Description and travel.
South America--Relations--United States.
United States--Relations--South America.
Princeton subject headings:
Burton, Theodore E. (Theodore Elijah), 1851-1929.
South America--Description and travel.
South America--Relations--United States.
United States--Relations--South America.