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Las cajas de prevision social. tesis doctoral de Pilar Marian Gutierrez. Tesis doctoral de Pilar Marian Gutierrez En la tesis se hace la historia de las cajas de prevision social durante su periodo de existencia en españa. Tesis sobre Alcalá, Historia, Historia contemporanea del area europea, Historia Del Derecho Y De Las Instituciones Juridicas, Historia por epocas, Historias especializadas