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<title>origen de la familia, de la propiedad privada y del estado en relación con las investigaciones de L.H. Morgan</title>
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<namePart>Engels, Friedrich</namePart>
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<dateIssued>1977</dateIssued>
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<note type="statement of responsibility">por Federico Engels</note>
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<topic>Familias</topic>
<topic>Historia</topic>
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<title>Biblioteca de textos socialistas / Bolsillo 1</title>
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