Published in 1815, 'An Essay on the Doctrine of the Trinity' attempts to provide a rational justification for this central tenet of the Christian faith. James Kidd argues that the doctrine can be demonstrated through reason and logic, as well as scriptural evidence and tradition. Despite its controversial nature, Kidd's work remains a seminal text in the field of theology and continues to be studied by scholars and religious thinkers today. 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.