Popular Socialist Party (Mexico)

• Vicente Lombardo Toledano (1948–1968) • Jorge Cruickshank García (1968–1989) • Indalecio Sáyago Herrera (1989–1997) • Manuel Fernández Flores (since 1997) == PPS candidates ==

• Vicente Lombardo Toledano (1952) • Adolfo López Mateos (allied with PRI and PARM; 1958) • Gustavo Díaz Ordaz (allied with PRI and PARM; 1964) • Luis Echeverría Álvarez (allied with PRI and PARM; 1970) • José López Portillo (allied with PRI and PARM; 1976) • Miguel de la Madrid (allied with PRI and PARM; 1982) • Cuauhtémoc Cárdenas Solórzano (allied with PARM, PFCRN, and PMS to form National Democratic Front; 1988) • Marcela Lombardo Otero (1994) ==References==