Columbia subject headings:
Aztec calendar.
Indians of Mexico--Missions.
Otomi Indians--History.
Otomi Indians--Missions.
Otomi calendar.
Otomi language.
Harvard subject headings:
Calendar--Mexico
Indians of Mexico--Missions
Otomi Indians--History.
Otomi Indians--Missions.
Otomi calendar.
Otomi language.
Princeton subject headings:
Calendar, Mexican.
Indians of Mexico--Missions.
Otomi Indians--History.
Otomi Indians--Missions.
Otomi calendar.
Otomi language.