A collection of primary sources related to the Northwest region and the state of Illinois, edited by Charles Philippe Aubry and Robert Cavelier La Salle. Key documents include treaties, official correspondence, and personal accounts of explorers and settlers. This book offers invaluable insights into the history and culture of this important region of the United States. 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.