"Notes on the Bird of Washington—(Falco Washingtonia) or Great American Sea Eagle" (with figure). Loudon's Magazine of Natural History, vol. i, pp. 115-120. London, 1828-1829.
Dated "London, April, 1828."
"The Flood of the Mississippi." Edinburgh Literary Journal. February, 1831, pp. 140-142.
See "Episode" entitled "A Flood," Ornithological Biography, vol. i.
"An Account of the Habits of the American Goshawk (Falco palumbarius, Wils.)." In a letter to Sir William Jardine, Bart. Edinburgh Journal of Natural and Geographical Science, vol. 3 (March), pp. 145-147. Edinburgh, 1831.
"Improvements in the Navigation of the Mississippi." Edinburgh Literary Journal, March 26, 1831, pp. 194-195.