Columbia subject headings:
Barbosa, José Celso, 1857-1921.
Partido Autonomista Puerto-Riqueño. Comisión Autonomista de 1896--History--Sources.
Puerto Rico--History--Autonomy and independence movements--Sources.
Puerto Rico--Politics and government--To 1898--Sources.
Harvard subject headings:
Barbosa, José Celso, 1857-1921.
Partido Autonomista Puerto-Riqueño. Comisión Autonomista de 1896--History--Sources.
Puerto Rico--History--Autonomy and independence movements--Sources.
Puerto Rico--History--Sources.
Puerto Rico--Politics and government--To 1898--Sources.
Princeton subject headings: