Columbia subject headings:
Mexico--History--Conquest, 1519-1540.
Harvard subject headings:
Cortés, Hernán, 1485-1547
Mexico--History--Conquest, 1519-1540.
Yucatán (Mexico : State)--Description and travel.
Princeton subject headings:
Mexico--Discovery and exploration--Sources.
Mexico--History--Conquest, 1519-1540--Sources.