1. Karl Marx, The Class Struggle in France, 1848–1850, Moscow: Progress Publishers, 1972 p. 112
2. Friedrich Engels, The Peasant War in Germany, Chicago: University of Chicago Press, 1967, p. 10.
3. See, for example, Karl Marx, Manifesto of the Communist Party, Peking: Foreign Languages Press, 1965, p. 42.
4. V. I. Lenin, ‘The Development of Capitalism in Russia,’ in idem., Collected Works, Vol. 3, Moscow: Progress Publishers, 1972, p. 33.
5. Mao Tse-Tung, ‘Report on an Investigation of the Peasant Movement in Hunan,’ in Mao, Selected Works, Vol. 1, Peking: Foreign Languages Press, 1967, p. 24.