Columbia subject headings:
Paz, Octavio, 1914-1998--Political and social views.
World politics--1945-1989.
Harvard subject headings:
Paz, Octavio, 1914-1998--Political and social views.
World politics--1945-
Princeton subject headings:
Paz, Octavio, 1914-1998--Political and social views.
World politics--1945-1989.