Basic Readings

Marxism

Friedrich Engels, The Principles of Communism: https://www.marxists.org/archive/marx/works/1847/11/prin-com.htm

Vladimir Ilyich Lenin, The Three Sources and Three Component Parts of Marxism: https://www.marxists.org/archive/lenin/works/1913/mar/x01.htm

Vladimir Ilyich Lenin, Karl Marx: Brief biographical sketch with an exposition of Marxism:
https://www.marxists.org/archive/lenin/works/1914/granat/index.htm

Friedrich Engels, Socialism: Utopian and Scientific:
https://www.marxists.org/archive/marx/works/1880/soc-utop/index.htm
Study guide: https://www.marxists.org/archive/marx/works/1880/soc-utop/guide.htm

Otto Ruhle, Karl Marx's Capital:
https://www.marxists.org/archive/ruhle/1939/capital.htm
Study Guide: https://www.marxists.org/archive/marx/works/1867-c1/guide/index.htm

Squashed Philosophers, Karl Marx & Friedrich Engels - The German Ideology:
https://web.archive.org/web/20231229081939/http://sqapo.com/marx.htm

MIA, Abstract from the Preface of A Contribution to the Critique of Political Economy:
https://www.marxists.org/archive/marx/works/1859/critique-pol-economy/preface-abs.htm
Study Guide: https://www.marxists.org/archive/marx/works/1859/critique-pol-economy/guide.htm

Friedrich Engels, 4 Letters on Historical Materialism:
https://www.marxists.org/history/etol/newspape/ni/vol01/no03/engels.htm

Friedrich Engels, On Authority:
https://www.marxists.org/archive/marx/works/1872/10/authority.htm

Rosa Luxemburg, Reform or Revolution:
https://www.marxists.org/archive/luxemburg/1900/reform-revolution/index.htm

Karl Kautsky, The Intellectuals and the Workers:

https://www.marxists.org/archive/kautsky/1903/xx/int-work.htm

Bolshevism

Vladimir Ilyich Lenin, What Is To Be Done?
https://www.marxists.org/archive/lenin/works/1901/witbd/index.htm

Vladimir Ilyich Lenin, Imperialism, the Highest Stage of Capitalism:
https://www.marxists.org/archive/lenin/works/1916/imp-hsc/

Vladimir Ilyich Lenin, The Right of Nations to Self-Determination:
https://www.marxists.org/archive/lenin/works/1914/self-det/index.htm

Vladimir Ilyich Lenin, State and Revolution:
https://www.marxists.org/archive/lenin/works/1917/staterev/index.htm

Rosa Luxemburg, The Russian Revolution:
https://www.marxists.org/archive/luxemburg/1918/russian-revolution/

Leon Trotsky, The Lessons of October:
https://www.marxists.org/archive/trotsky/1924/lessons/index.htm

Max Shachtman, Dictatorship of Party or Proletariat?:
https://www.marxists.org/archive/shachtma/1934/07/dictship.htm

Hal Draper: The Myth of Lenin's "Concept of The Party":
https://www.marxists.org/archive/draper/1990/myth/myth.htm

Trotskyism

Leon Trotsky, Fascism: What It Is and How To Fight It:
https://www.marxists.org/archive/trotsky/works/1944/1944-fas.htm

Leon Trotsky, The Revolution Betrayed:
https://www.marxists.org/archive/trotsky/1936/revbet/index.htm

Leon Trotsky, War and the Fourth International:
https://www.marxists.org/archive/trotsky/1934/06/warfi.htm

Leon Trotsky, The Transitional Program:
https://www.marxists.org/archive/trotsky/1938/tp/index.htm

Leon Trotsky, The Permanent Revolution:
https://www.marxists.org/archive/trotsky/1931/tpr/index.htm

Leon Trotsky, The ABC of Materialist Dialectics
https://www.marxists.org/archive/trotsky/1939/12/abc.htm

Leon Trotsky, The National Question in Catalonia:
https://www.marxists.org/archive/trotsky/1931/07/spain01.htm

Leon Trotsky, Ninety Years of the Communist Manifesto
https://www.marxists.org/archive/trotsky/1937/10/90manifesto.htm

Leon Trotsky, The Lessons of Spain - The Last Warning:
https://www.marxists.org/archive/trotsky/1937/xx/spain01.htm

Leon Trotsky, The Class, the Party and the Leadership
https://www.marxists.org/archive/trotsky/1940/xx/party.htm

Leon Trotsky, The Intelligentsia and Socialism:
https://www.marxists.org/archive/trotsky/1910/xx/intell.htm

Leon Trotsky, Committees of Action – Not Peoples Front

https://www.marxists.org/archive/trotsky/1935/11/canotpf.htm

Leon Trotsky - If America Should Go Communist

https://www.marxists.org/archive/trotsky/1934/08/ame.htm

History of the Fourth International

James P. Cannon, A Letter to Trotskyists Throughout the World - 1953:
https://www.wsws.org/en/articles/2008/10/open-o21.html

Marxists, Toward a History of the Fourth International:
https://www.marxists.org/history/etol/document/fi/index.htm