Columbia subject headings:
Philippines--Politics and government--1521-1898.
Spain--Colonies--Asia--History.
Harvard subject headings:
Philippines--History--1521-1898--Chronology.
Philippines--History--1521-1898--Sources.
Philippines--History--1521-1898.
Philippines--Politics and government--1521-1898.
Spain--Colonies--Asia--Administration--History--Chronology.
Spain--Colonies--Asia--Administration--History--Sources.
Spain--Colonies--Asia--Administration--History.
Spain--Colonies--Asia--History.
Spain--Colonies--Oceania--History.
Princeton subject headings:
Philippines--Politics and government--1521-1898.
Spain--Colonies--Asia--History.