Columbia subject headings:
Indians of Mexico--Antiquities.
Indians of Mexico--Commerce.
Markets--Mexico--History.
Mexico--Antiquities.
Mexico--Commerce--History.
Trade routes--Mexico--History.
Harvard subject headings:
Indians of Mexico--Antiquities--Congresses
Indians of Mexico--Commerce--Congresses.
Markets--Mexico--History--Congresses.
Mexico--Antiquities--Congresses.
Mexico--Commerce--History--Congresses.
Trade routes--Mexico--History--Congresses.
Princeton subject headings:
Indians of Mexico--Antiquities.
Indians of Mexico--Commerce.
Mexico--Commerce--History.