Columbia subject headings:
Harvard subject headings:
Agriculture--Economic aspects--Mexico--Zacatecas (State)
Industries--Mexico--Zacatecas (State)
Universidad Autónoma de Zacatecas
Zacatecas (Mexico : State)--Economic conditions.
Zacatecas (Mexico : State)--Population.
Princeton subject headings:
Land tenure--Mexico--Zacatecas (State).
Zacatecas (Mexico : State)--Economic conditions.
Zacatecas (Mexico : State)--History.
Zacatecas (Mexico : State)--Politics and government.