"Ten studies of regional voting results, subdivided by political party for several Mexican states (Federal District, Nayarit, Puebla, Mexico State, Michoacán, Sonora, Guanajuato, and others). The most recent elections covered are 1989 and 1991; the oldest from 1946, for the Federal District. Interesting addition to the growing literature on Mexican electoral geography"--Handbook of Latin American Studies, v. 57.