Columbia subject headings:
Pangasinan (Philippines)--History.
Philippines--History--1898-1946.
Philippines--History--1946-1986.
Harvard subject headings:
Pangasinan (Philippines)--Economic conditions.
Pangasinan (Philippines)--History.
Pangasinan (Philippines)--Politics and government.
Pangasinan (Philippines)--Social conditions.
Princeton subject headings: