
Bernal (1930s) "Labour Monthly Pamphlets, No. 6" (No date). Online ( here http://www.marxists.org/archive/bernal/works/1930s/engels.htm) on Marxists Internet Archive (2008).
Brian Vickery (2006) " J.D.Bernal: science and social development http://web.archive.org/web/20100202233156/http://www.lucis.me.uk/bernal.htm" on lucis.me.uk, 2006.
Bernal (1930s) "Labour Monthly Pamphlets, No. 6" (No date). Online ( here http://www.marxists.org/archive/bernal/works/1930s/engels.htm) on Marxists Internet Archive (2008).
Source: Killing History: The False Left-Right Political Spectrum and the Battle between the ‘Free Left’ and the ‘Statist Left', (2019), p. 345
Speech (20 December 1961) http://www.cuba.cu/gobierno/discursos/1961/esp/f201261e.html
Source: The Ideology of Fascism: The Rationale of Totalitarianism, (1969), p. 99
Interview on Charlie Rose https://archive.org/details/WHUT_20100614_130000_Charlie_Rose (2000)
Source: A Long Search for Information (2004), p. 4.
Hayek's Journey: The Mind of Friedrich Hayek (2003)