Ce recueil est une collection importante de discours et de lettres papales qui ont façonné l'histoire de la papauté au XIXe siècle. Les textes rassemblés dans cet ouvrage offrent un aperçu fascinant de l'évolution de la pensée catholique et de la position de l'Église sur les questions sociales, politiques et religieuses de l'époque. Les lecteurs intéressés par l'histoire de l'Église catholique trouveront dans ce livre un riche ensemble de sources primaires à explorer. 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.