Columbia subject headings:
America--Discovery and exploration--Spanish.
Latin America--History--To 1600--Sources.
Philippines--History--1521-1812--Sources.
Harvard subject headings:
America--Discovery and exploration--Spanish.
Latin America--History--To 1600--Sources.
Philippines--History--1521-1812--Sources.
Princeton subject headings:
America--Discovery and exploration--Spanish.
Latin America--History--To 1600--Sources.
Philippines--History--1521-1812--Sources.