Columbia subject headings:
Harvard subject headings:
Chalma (Mexico, Mexico)
Christian pilgrims and pilgrimages--Mexico--Chalma.
Princeton subject headings:
Chalma (Mexico, Mexico)--Religious life and customs.
Christian pilgrims and pilgrimages--Mexico--Chalma.
Indians of Mexico--Religion.
Otomi Indians--Religion.
Tultepec (Mexico)--Religious life and customs.