Columbia subject headings:
Apure (Venezuela)--Description and travel.
Apure (Venezuela)--Geography.
Apure (Venezuela)--History.
Apure (Venezuela)--Social life and customs.
Harvard subject headings:
Apure (Venezuela)--Description and travel.
Apure (Venezuela)--Geography.
Apure (Venezuela)--History.
Apure (Venezuela)--Social life and customs.
Princeton subject headings: