Columbia subject headings:
Baja California (Mexico : Peninsula)--Discovery and exploration--Spanish.
California--Discovery and exploration--Spanish.
Explorers--California--History.
Explorers--Indonesia--Maluku--History.
Explorers--Mexico--California (Peninsula)--History.
Explorers--Philippines--History.
Explorers--Spain--History.
Maluku (Indonesia)--Discovery and exploration--Spanish.
Philippines--Discovery and exploration--Spanish.
Voyages and travels.
Harvard subject headings:
Baja California (Mexico : Peninsula)--Discovery and exploration--Spanish.
California--Discovery and exploration--Spanish.
Explorers--California--History.
Explorers--Indonesia--Maluku--History.
Explorers--Mexico--California (Peninsula)--History.
Explorers--Philippines--History.
Explorers--Spain--History.
Maluku (Indonesia)--Discovery and exploration--Spanish.
Philippines--Discovery and exploration--Spanish.
Voyages and travels
Princeton subject headings:
America--Discovery and exploration--Spanish.
Discoveries in geography--Early works to 1800.
Latin America--History--To 1830.
Navigation--Mexico--History.