Columbia subject headings:
Condor Range (Ecuador and Peru)--History--20th century.
Ecuador-Peru Conflict, 1981--Territorial questions.
Guayaquil (Ecuador)--History--20th century.
Paquisha (Ecuador)--History--20th century.
Harvard subject headings:
Ecuador-Peru Conflict, 1981.
Guayaquil (Ecuador)--History--20th century.
Paquisha (Ecuador)--History--20th century.
Princeton subject headings: