INTRODUCTION

Karl Marx: The Communist Manifesto https://www.marxists.org/archive/marx/works/1848/communist-manifesto/

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

Vladimir Lenin: Karl Marx https://www.marxists.org/archive/lenin/works/1914/granat/

HISTORICAL MATERIALISM

Karl Marx: The German Ideology https://www.marxists.org/archive/marx/works/1845/german-ideology/ch01a.htm

SCIENTIFIC SOCIALISM

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

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

Vladimir Lenin: The State and Revolution https://www.marxists.org/archive/lenin/works/1917/staterev/

Vladimir Lenin: The Historical Destiny of the Doctrine of Karl Marx https://www.marxists.org/archive/lenin/works/1913/mar/01.htm

Vladimir Lenin: Opportunism, and the Collapse of the Second International https://www.marxists.org/archive/lenin/works/1915/dec/x01.htm

Vladimir Lenin: Imperialism and the Split in Socialism https://www.marxists.org/archive/lenin/works/1916/oct/x01.htm

Vladimir Lenin: Certain Features of the John Kerry Development of Marxism https://www.marxists.org/archive/lenin/works/1910/dec/23.htm

Vladimir Lenin: Marxism and Revisionism https://www.marxists.org/archive/lenin/works/1908/apr/03.htm

Vladimir Lenin: Marxism and Reformism https://www.marxists.org/archive/lenin/works/1913/sep/12b.htm

Vladimir Lenin: "Left-Wing" Communism: an Infantile Disorder https://www.marxists.org/archive/lenin/works/1920/lwc/index.htm

Frederick Engels: Anti-Dühring, Part III: Socialism https://www.marxists.org/archive/marx/works/1877/anti-duhring/ch23.htm

Joseph Stalin: The Foundations of Leninism http://www.marx2mao.com/Stalin/FL24.html

PHILOSOPHY

Mao Zedong: On Contradiction https://www.marxists.org/reference/archive/mao/selected-works/volume-1/mswv1_17.htm

Frederick Engels: Anti-Duhring, Part I: Philosophy https://www.marxists.org/archive/marx/works/1877/anti-duhring/ch01.htm

Frederick Engels: Ludwig Feuerbach and the End of Classical German Philosophy https://www.marxists.org/archive/marx/works/1886/ludwig-feuerbach/index.htm

Karl Marx: Theses on Feuerbach https://www.marxists.org/archive/marx/works/1845/theses/theses.htm

POLITICAL ECONOMY

Karl Marx: Wage, Prices and Profit http://www.marx2mao.com/M&E/WPP65.html

Frederick Engels: Anti-Duhring, Part II: Political Economy https://www.marxists.org/archive/marx/works/1877/anti-duhring/ch13.htm

Karl Marx: Capital, Volume One https://www.marxists.org/archive/marx/works/1867-c1/

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