Este ensayo historico-critico ofrece una vision detallada de los reinos de Leon y Castilla durante la Edad Media. El autor hace hincapie en la importancia del Codigo de las Siete Partidas de D. Alonso el Sabio como uno de los principales cuerpos legales de la epoca, examinando su impacto en la legislacion española y en la sociedad en general.This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it.This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.