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- Luxemburgo, Rosa, 5 results
- Universidad Popular Manuel González Prada, 3 results
- Lenin (Vladímir Ilich Uliánov), 2 results
- Zetkin, Clara, 2 results
- Liga Espartaquista, 2 results
- Leviné, Eugenio, 2 results
- Liebknecht, Karl, 2 results
- Mehring, Franz Erdmann, 2 results
- Revista Mundial, 1 results
- Croce, Benedetto, 1 results