Peña González, V., and J. Pérez Serrano. “From anti-francoism to workers’ autonomy. A left-wing party case in Spain: the Unión Comu nista de Liberación (1971-1977)”. Historia del Presente, no. 40, Dec. 2022, pp. 161-78, doi:10.5944/hdp.40.2022.39044.