1Charles J. Ingersoll to Thomas Jefferson, 4 July 1818 (Jefferson Papers)
Morrison, Robert; A View of China, for Philological Purposes; containing A Sketch of Chinese Chronology, Geography, Government, Religion & Customs. designed for the use of persons who study the Chinese Language [index entry]
2Thomas Jefferson to Charles J. Ingersoll, 20 July 1818 (Jefferson Papers)
Morrison, Robert; A View of China, for Philological Purposes; containing A Sketch of Chinese Chronology, Geography, Government, Religion & Customs. designed for the use of persons who study the Chinese Language [index entry]