Columbia subject headings:
Communist parties--Ecuador.
Revolutions and socialism--Ecuador.
Right and left (Political science)--Ecuador--History--20th century.
Socialist parties--Ecuador.
Harvard subject headings:
Communist parties--Ecuador--Platforms.
Revolutions and socialism--Ecuador.
Right and left (Political science)--Ecuador--History--20th century.
Socialist parties--Ecuador--Platforms.
Princeton subject headings:
Communist parties--Ecuador.
Revolutions and socialism--Ecuador.
Right and left (Political science)--Ecuador--History--20th century.
Socialist parties--Ecuador.