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_aDávila Santiago, Rubén _2Local _9215740 |
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_aEl derribo de las murallas y "El Porvenir de Borinquen" _b(los centros de estudios sociales obreros a principios del siglo XX) _cRubén Dávila Santiago. |
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_aSan Juan, P.R. _bCentro de Estudios de la Realidad Puertorriqueña _c1983. |
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_a25 p., _bill. |
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_aCuadernos _pInvestigación y análisis _v8 _2Local _982680 |
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| 504 | _aBibliography : p. 19-25 | ||
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_aLabor movement _zPuerto Rico _xHistory _y19th century. _2Local _9122245 |
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_aWorking class _zPuerto Rico _xHistory _y19th century. _2Local _9190641 |
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