
"That Sinking Feeling," The Geographical Magazine. July 1995. pp. 24-26.
"The Face of History: Restoration gives a new look to Mexico City's Historic Center,"American Chamber of Commerce of Mexico, Business Mexico. Ramirez, Stacey. March1996.
Cities of the World, Brunn, Stanley D. and Williams, Jack F., Harper Collins College Publishers, 2nd Ed. 1993
Mexico City. Ward, Peter, GK Hall & Co.,1990.