Columbia subject headings:
Cold War--Influence.
National characteristics, Puerto Rican.
Nationalism--Puerto Rico.
Puerto Rico--Cultural policy.
Puerto Rico--History--1952-1998.
Harvard subject headings:
Cold War--Influence
Nationalism--Puerto Rico--History--20th century
Puerto Rico--Politics and government--1952-1998.
Princeton subject headings:
Cold War--Influence.
National characteristics, Puerto Rican.
Nationalism--Puerto Rico.
Puerto Rico--Cultural policy.
Puerto Rico--History--1952-1998.
Puerto Rico--Politics and government.