- 1822 : Letter from Walter Ogden & J. W. Glass, April 17, 1822
- 1823 : Letter from P. Sam Campbell, November 1, 1823
- 1824 : Letter from H. Seaman, June 22, 1824
- 1832 : Newspaper clipping: E. H. Carmichael to New York to Study Cholera, Political Arena, July 13, 1832
- 1832 : Newspaper clipping: E. H. Carmichael Returns from New York, Political Arena, July 24, 1832