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John Reed
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Daniel Bensaïd
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Daniel Tanuro
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João Martins Pereira
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Cinzia Arruzza
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Ernest Mandel
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Leon Trotsky
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Rosa Luxemburgo
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Nikolai Bukharine
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Enrico Berlinguer
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Vladimir Lenine
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Grigory Zinoviev
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Roland Lew
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Pierre Rousset
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Amadeo Bordiga
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Jean-Marie Brohm
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Franz Mehring
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Charles-André Udry
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Livio Maitan
- René Lefort
- Mieczyslaw Bortenstein
- Dave Bailey
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Norman Geras
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Helmut Dahmer
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Lev Vygotski
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Antonio Gramsci
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Tamara Volkova