"World Roundup". Sydney Tribune. 26 November 1975. Retrieved 18 March 2025.
nuestrapropuesta.org.ar
According to Nuestra Propuesta Interview - Raúl Martínez / Corvalán. (Carlos Ibáñez del Campo would return to the presidency between 1952 and 1958 a period which meant severe repression against the PCCh)"Luis Corvalan". Archived from the original on 29 September 2007. Retrieved 24 March 2007.
According to Nuestra Propuesta Interview - Raúl Martínez / Corvalán. (Carlos Ibáñez del Campo would return to the presidency between 1952 and 1958 a period which meant severe repression against the PCCh)"Luis Corvalan". Archived from the original on 29 September 2007. Retrieved 24 March 2007.