Columbia subject headings:
Harvard subject headings:
Black people--Puerto Rico--Ponce--History--19th century.
Ponce (P.R.)--Politics and government--Sources.
Slavery--Puerto Rico--Ponce--History--19th century.
Princeton subject headings:
Ordinances, Municipal--Puerto Rico--Ponce.
Ponce (P.R.)--History--Sources.
Ponce (P.R.)--Politics and government.