Preston, Paul, The Triumph of Democracy in Spain , London, Routledge, 1986, pp. 274 Chapter 1, ‘Internal contradictions of Francoism 1939-69’, covers some of the major strikes and demonstrations, and chapters 2 & 3 the Carrero Blanco years 1969-73 and the Arias Navarro government of 1974-76. For political developments from 1939 to 1975, see also:
Preston, Paul , Spain in Crisis: Evolution and Decline of the Franco Regime Hassocks, Harvester Press, , 1976, pp. 341 .