Columbia subject headings:
Decolonization--Puerto Rico.
Partido Popular Democrático (P.R.)
Puerto Rico--Politics and government--1952-1998.
Harvard subject headings:
Partido Popular Democrático (P.R.)
Partido Popular Democrático (Puerto Rico)
Puerto Rico--Politics and government--1952-
Puerto Rico--Politics and government--1952-1998.
Princeton subject headings: