1. Avineri, Shlomo. 2019. Karl Marx: Philosophy and revolution. New Haven: Yale University Press.
2. Chan, Adrian. 2003. Chinese Marxism. London/New York: Continuum.
3. Deng, Xiaoping. 1983. The party’s urgent tasks or the organization and ideological fronts. In Speech at the second plenary session of the twelfth central committee of the communist party of China.
4. Engels, Friedrich. 1883. Speech at Marx’s graveside. See https://www.marxists.org/archive/marx/works/1883/death/burial.htm.
5. Engels, Friedrich. 1884. Origin of the family, private property and the state.