Columbia subject headings:
Albizu Campos, Pedro, 1891-1965.
Nationalism--Puerto Rico.
Puerto Rico--Politics and government--1898-1952.
Harvard subject headings:
Albizu Campos, Pedro, 1891-1965.
Nationalism--Puerto Rico
Puerto Rico--Politics and government--1898-1952.
Princeton subject headings:
Albizu Campos, Pedro, 1891-1965.
Nationalism--Puerto Rico.
Puerto Rico--Politics and government--1898-1952.