Columbia subject headings:
Chihuahua (Chihuahua, Mexico)
Mexico--History--Revolution, 1910-1920.
Orozco, Pascual, 1882-1915.
Harvard subject headings:
Chihuahua (Chihuahua, Mexico)
Mexico--History--Revolution, 1910-1920.
Orozco, Pascual.
Princeton subject headings:
Mexico--History--1867-1910.
Mexico--History--1910-1946.
Orozco, Pascual, 1882-1916.