Estill Curtis Pennington, Lessons in Likeness: Portrait Painters in Kentucky and the Ohio River Valley, 1802–1920 : Featuring Works from Filson Historical Society, Lexington, Kentucky: University Press of Kentucky, 2011, p. 122 [1]
Logsdon, David R. (December 25, 2009). "Erskine Bronson Ingram". The Tennessee Encyclopedia of History & Culture. Tennessee Historical Society and the University of Tennessee Press. Retrieved September 5, 2017.
tnportraits.org
"Elliston, Joseph Thorp (1779–1856)". Tennessee Portrait Project. National Society of Colonial Dames of America in Tennessee. Retrieved April 5, 2018.