Columbia subject headings:
Fortification--Mexico--San Francisco de Conchos--History.
Franciscans--Mexico--San Francisco de Conchos--Missions--History.
San Francisco de Conchos (Mexico)--History.
Harvard subject headings:
Princeton subject headings:
Fortification--Mexico--San Francisco de Conchos--History.
Franciscans--Missions--San Francisco de Conchos--History.
San Francisco de Conchos (Mexico)--History.