| #2 |  History of Socialism History of Socialism: An Historical Comparative Study of Socialism, Communism, Utopia
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| #3 |  On the Economic Theory of Socialism by Oskar Lange On the Economic Theory of Socialism by Oskar Lange
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| #4 |  Rivalry and Central Planning Rivalry and Central Planning: The Socialist Calculation Debate Reconsidered
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| #5 |  Socialist Planning
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| #6 |  The Socialist System
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| #7 | The Theory of Social Democracy The Theory of Social Democracy
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| #8 |  The Political Economy of Cooperatives and Socialism
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| #9 |  Democratic Economic Planning
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