lamy Foster, Immigrants. 2000, 112.
- Elster, John Karl Marx: A Reader 76.
- Karl Critique of the Gotha Program. UC Davis August 23, 2009. 7-9.
- IPCC AR5 WGII (2014). “Climate change 2014, Impacts, Adaptation and Vulnerability”
- Mandel, Ernest. “Dialectical Materialism.” Dialectical Materialism,
- Engels, Friedrich. “II. Dialectics.” 1883-Dialectics of Nature-ch2,
- “BBC – GCSE Bitesize: UK Climate.” BBC News, BBC,
- Marx, Karl Capital Volume III, (New York: Penguin Books 1993) 609-610
- Marx, Karl, quoted in Eugene Walker Gogol, The Concept of the Other in Latin American Liberation 302.
- Marx, Karl; Engels, Friedrich (2002) . The Communist Manifesto. Moore, Samuel (trans. 1888). Harmondsworth, UK: Penguin. 226.
- Engels, Friedrich The Origin of Family, Private Property, and the State.Resistance Books, 2004, 12.
See, for example, Dawn Killough, “Combating Climate Change With Small Farms” Planetsave.com, April 8th, 2015.