Columbia subject headings:
Ruiz Belvis, Segundo, 1829-1867.
Harvard subject headings:
Abolitionists--Puerto Rico--Biography.
Lawyers--Puerto Rico--Biography.
Mayagüez (P.R.)--History.
Puerto Rico--History--To 1898.
Ruiz Belvis, Segundo, 1829-1867.
Princeton subject headings:
Puerto Rico--Biography.
Ruiz Belvis, Segundo, 1829-1867.