Columbia subject headings:
Catholic Church--Philippines--Clergy--Biography.
Missionaries--Ireland--Biography.
Missionaries--Philippines--Negros Island--Biography.
Negros Island (Philippines)--Politics and government.
O'Brien, Niall.
Philippines--Politics and government--1946-1973.
Philippines--Politics and government--1973-1986.
Harvard subject headings:
Catholic Church--Philippines--Clergy--Biography.
Missionaries--Ireland--Biography
Missionaries--Philippines--Negros Island--Biography.
Negros Island (Philippines)--Politics and government.
O'Brien, Niall, 1939-2004.
O'Brien, Niall.
Philippines--Politics and government--1946-1973.
Philippines--Politics and government--1973-
Philippines--Politics and government--1973-1986.
Philippines--Politics and government--1986-
Princeton subject headings:
Catholic Church--Philippines--Clergy--Biography.
Missionaries--Ireland--Biography.
Missionaries--Philippines--Negros Island--Biography.
Negros Island (Philippines)--Politics and government.
O'Brien, Niall.
Philippines--Politics and government--1946-1973.
Philippines--Politics and government--1973-.