Columbia subject headings:
Betances, Ramón Emeterio, 1827-1898.
West Indies--History--Autonomy and independence movements--Sources.
West Indies--History--Sources.
Harvard subject headings:
Betances, Ramón Emeterio, 1827-1898.
West Indies--History--Autonomy and independence movements--Sources.
West Indies--History--Sources.
Princeton subject headings:
Betances, Ramón Emeterio, 1827-1898.
West Indies--History--Autonomy and independence movements.