Columbia subject headings:
Puerto Rico--Politics and government--1952-1998.
Puerto Rico--Sports.
Harvard subject headings:
Puerto Rico--Politics and government--1952-
Sports--Puerto Rico.
Princeton subject headings:
Barbosa Muñiz, José C., 1929-
Governors--Puerto Rico.
Puerto Rico--Politics and government--1952-1998.
Romero-Barceló, Carlos.