Columbia subject headings:
Puerto Rico--Politics and government--1898-1952.
Harvard subject headings:
Muñoz Marín, Luis, 1898-1980.
Puerto Rico--Politics and government--1898-1952.
Puerto Rico--Politics and government--20th century.
Princeton subject headings:
Partido Popular Democrático (P.R.)
Puerto Rico--Politics and government--1898-1952.
Speeches.