Columbia subject headings:
Bolivia--Description and travel.
Bolivia--Economic conditions.
Chile--Description and travel.
Mapuche Indians.
Panama Canal (Panama)
Panama--Description and travel.
Peru--Description and travel.
Harvard subject headings:
Bolivia--Description and travel.
Bolivia--Economic conditions.
Chile--Description and travel.
Mapuche Indians.
Panama Canal (Panama)
Panama--Description and travel.
Peru--Description and travel
Princeton subject headings:
Bolivia--Description and travel.
Bolivia--Economic conditions.
Chile--Description and travel.
Mapuche Indians.
Panama Canal (Panama)
Panama--Description and travel.
Peru--Description and travel.