Columbia subject headings:
Mexico--History--Conquest, 1519-1540--Sources.
New Spain--History--Sources.
Spanish language--Mexico--History--16th century--Sources.
Harvard subject headings:
New Spain--History--Sources.
Spanish language--Mexico--History--16th century--Sources.
Spanish language--Social aspects--Mexico.
Princeton subject headings:
Mexico--History--Conquest, 1519-1540--Sources.
New Spain--History--Sources.
Spanish language--Mexico--History--16th century--Sources.