Columbia subject headings:
Concha Hacienda (Mexico)--History.
Cotton trade--Mexico--Laguna Region--History.
González Montes de Oca, Carlos, 1846-1917.
Harvard subject headings:
Concha Hacienda (Mexico)--History.
Cotton trade--Mexico--Laguna Region--History.
González Montes de Oca, Carlos, 1846-1917.
Princeton subject headings:
Concha Hacienda (Mexico)--History.
Cotton trade--Mexico--Laguna Region--History.
González Montes de Oca, Carlos, 1846-1917.