Columbia subject headings:
Markets--Mexico--Oaxaca Valley.
Oaxaca Valley (Mexico)--Economic conditions.
Oaxaca Valley (Mexico)--Social conditions.
Harvard subject headings:
Markets--Mexico--Oaxaca Valley.
Oaxaca Valley (Mexico)--Economic conditions.
Oaxaca Valley (Mexico)--Social conditions.
Princeton subject headings:
Markets--Mexico--Oaxaca Valley.
Oaxaca Valley (Mexico)--Economic conditions.
Oaxaca Valley (Mexico)--Social conditions.