Archuleta, Ruben E. Land of the Penitentes; Land of Tradition, El Jefe, Pueblos West, Colorado, 2003.
Bauer, William H., James L. Osment and John H. Willard. Colorado Post Offices 1859-1989. Golden, Colorado: Colorado Railroad Museum, 1990.
Lopez-Tushar, Olibama. The People of El Valle. Pueblo, Colorado: El Escritorio, 1997.
Quintana, Frances Leon. Pobladores -- Hispanic Americans of the Ute Frontier, Notre Dame, Indiana: University of Notre Dame Press, 1991.
Ubbeholde, Benson and Smith. A Colorado History, Pruett Publishing, 1995.