Tolong jelaskan mengenai Sumber utama dari Eksepsionalisme Amerika Serikat

Roberts, Timothy, and Lindsay DiCuirci. (Eds). American Exceptionalism. Volumes 1–4. London: Pickering & Chatto Publishers, 2012, 1552 pp. A compilation of the primary sources on the subject of American exceptionalism, including pamphlets, sermons, newspaper and magazine articles from colonial period to 1900.