Columbia subject headings:
Political participation--Puerto Rico.
Political parties--Puerto Rico.
Puerto Rico--Politics and government--1898-1952.
Puerto Rico--Politics and government--1952-1998.
Statehood (American politics)
Harvard subject headings:
Political participation--Puerto Rico.
Political parties--Puerto Rico
Puerto Rico--Politics and government--1898-1952.
Puerto Rico--Politics and government--1952-
Statehood (American politics)
Princeton subject headings:
Political participation--Puerto Rico.
Political parties--Puerto Rico.
Puerto Rico--Politics and government--1898-1952.
Puerto Rico--Politics and government--1952-1998.
Statehood (American politics)