see e.g. González Cuevas 2008, pp. 1170–1171, Rodríguez Núñez 2013, Heleno Saña, Historia de la filosófia española, Madrid 2007, ISBN 9788496710986, p. 255 and onwards, in popular discourse Pradera is "one of the icons and pilars of Francoism", see ABC 25.10.04, available here