Columbia subject headings:
Harvard subject headings:
Carrera Torres, Alberto, 1887-1917.
Cedillo, Magdaleno, 1887-1917.
Land reform--Mexico--History--20th century.
Mexico--History--Revolution, 1910-1920.
San Luis Potosí (Mexico : State)--History.
Tamaulipas (Mexico : State)--History.
Princeton subject headings:
Mexico--History--Revolution, 1910-1920.
San Luis Potosí (Mexico : State)--History--20th century.
Tamaulipas (Mexico : State)--History--20th century.