Cette these examine en detail les systemes de benefice et de vassalite qui ont domine la vie politique et sociale de l'Empire carolingien au IXe siecle. L'auteur, H.P. Faugeron, presente une analyse minutieuse des structures sociales et politiques de l'epoque, ainsi qu'une etude approfondie de la vie quotidienne dans l'Empire. Ce livre est une lecture essentielle pour tous les etudiants en histoire medievale. 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.