Revolutionary
Zedong, Mao. "On the Correct Handling of Contradictions Among the People." Eleventh Session (Enlarged) of the Supreme State Conference. 27 Feb. 1957, Beijing, China.
Trotsky, Leon. "Their Morals and Ours." The New International, June 1938.
Robespierre, Maximilien. Discours sur les peines infamantes [Discorse on Infamous]. 1784, The Academy of Sciences, Letters and Arts of Arras, Arras, France.
Trotsky, Leon. What Next? Vital Questions for the German Proletariat. Pioneer Publishers, 1932, ch. 14.
Marx, Karl. Grundisse der Kritik der Politischen Ökonomie [Foundations of a Critique of Political Economy]. Marx–Engels Institute, 1939-1941.
Marx, Karl. Fundamentals of a Critique of Political Economy, translated by Martin Nicolaus. Penguin Classics, 1993.
Marx, Karl. Zur Kritik der Politischen Ökonomie [On the Critique of Political Economy]. Berlin: Franz Duncker, 1859, preface.
Marx, Karl. Contribution to the Critique of Political Economy, edited by Maurice Dobb. International Publishers, 2022, preface.
Lenin, Vladimir. "Our Foreign and Domestic Position and Party Tasks." The Moscow Gubernia Conference Of The R.C.P.(B.). 21 Nov. 1920, Moscow, Russia. Speech.
Lenin, Vladimir. Quoted in Communism, written by Mark Sandle. Routledge, 2014.
Fawkes, Guy. The Dictionary of National Biography. Vol. 6, Oxford University Press, 1917.
Bakunin, Michael (published as Jules Elysard). "Die Reaktion in Deutschland." Jahrbuch für Wissenschaft und Kunst. c. 1842.
Zedong, Mao. Talk with the American Correspondent Anna Louise Strong. Aug. 1946.
Marx, Karl. Die heilige Familie [The Holy Family]. Frankfurt: J. Rutten, 1845.
Marx, Karl. "The Holy Family." Collected Works of Karl Marx and Frederick Engels. Vol. 4, International Publishers, 1975.
Lenin, Vladimir. Государство и революция [The State and Revolution]. Progress Publishers, 1917, ch. 5, sect. 4.
Lenin, Vladimir. "The State and Revolution." Essential Works of Lenin, edited by Henry M. Christman. Dover Publications, 1987, ch. 5, sect. 4.
Imperialism, the Highest Stage of Capitalism
Lenin, Vladimir. Империализм как высшая стадия капитализма [Imperialism, the Newest Stage of Capitalism]. Petrograd: Zhizn i Znaniye Publishers, 1917, pt. 7.
Lenin, Vladimir. "Imperialism, the Highest State of Capitalism." Essential Works of Lenin, edited by Henry M. Christman. Dover Publications, 1987, pt. 7.
Trotsky, Leon. Моя Жизнь [My Life]. Charles Scribner's Sons/Thornton Butterworth, 1930, ch. 40.
Trotsky, Leon. Литература и революция [Literature and Revolution]. Soviet Government, 1924.
Trotsky, Leon. Literature and Revolution, edited by William Keach. Haymarket Books, 2005.
Revere, Paul. Signal code arranged with Colonel Conant. 16 Apr. 1775, Boston, MA, USA.
Mazzani, Giuseppe. General Instructions for the Members of Young Italy. 1831, sect. 4.
Marx, Karl and Friedrich Engels [published anonymously]. Manifest der kommunistischen Partei [Manifesto of the Communist Party]. London: Gedruckt in der Office der Bildungs-Gesellschaft für Arbeiter, 1848.
Marx, Karl and Friedrich Engels. The Communist Manifesto, translated by Samuel Moore and Friedrich Engels. Penguin Classics, 2002.