Columbia subject headings:
Finance--Mexico--History.
Mexico--Commerce--History.
Mexico--Economic conditions.
Mexico. Secretaría de Hacienda y Crédito Público.
Transportation--Mexico--History.
Harvard subject headings:
Finance--Mexico
Mexico--Commerce.
Mexico--Economic conditions.
Mexico. Secretaría de Hacienda y Crédito Público
Transportation--Mexico
Princeton subject headings:
Finance--Mexico.
Mexico--Commerce.
Mexico--Economic conditions.
Mexico. Secretaría de Hacienda y Crédito Público
Transportation--Mexico.