Title: Three exits from the Mexican Institutional Revolutionary Party
Subjects: Politics and government, Partido Revolucionario Institucional
Places: Mexico
People: Juan Andréu Almazán (1891-1965), Miguel Henríquez Guzmán (1898-1972), Cuauhtémoc Cárdenas Solózano, Porfirio Muñoz Ledo
Time periods: 20th century