Columbia subject headings:
Human sacrifice--Mexico--Congresses.
Indians of Mexico--Antiquities--Congresses.
Indians of Mexico--Rites and ceremonies--Congresses.
Mexico--Antiquities--Congresses.
Harvard subject headings:
Human sacrifice--Mexico--Congresses.
Indians of Mexico--Antiquities--Congresses
Indians of Mexico--Rites and ceremonies--Congresses.
Mexico--Antiquities--Congresses.
Princeton subject headings:
Human sacrifice--Mexico--Congresses.
Indians of Mexico--Antiquities--Congresses.
Indians of Mexico--Rites and ceremonies--Congresses.
Mexico--Antiquities--Congresses.