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- Universidad Popular Manuel González Prada, 6 results
- Hilferding, Rudolf, 2 results
- Luxemburgo, Rosa, 2 results
- Zetkin, Clara, 2 results
- Liga Espartaquista, 2 results
- Leviné, Eugenio, 2 results
- Liebknecht, Karl, 2 results
- Mehring, Franz Erdmann, 2 results
- Tratado de Versalles, 2 results
- Stinnes, Hugo, 1 results