Columbia subject headings:
Governors--Puerto Rico--Directories.
Legislators--Puerto Rico--Directories.
Puerto Rico--Politics and government--Sources.
Harvard subject headings:
Governors--Puerto Rico--Directories.
Legislators--Puerto Rico--Directories.
Puerto Rico--Politics and government--Sources.
Princeton subject headings:
Governors--Puerto Rico.
Legislators--Puerto Rico.
Political parties--Puerto Rico.
Puerto Rico. Governor--Term of office.
Puerto Rico. Legislative Assembly--Term of office.
Puerto Rico. Legislature--Term of office.