Engs, R. F., Brooks, C. M., & Evans, J. S. (2007). Their patriotic duty: The Civil War letters of the Evans family of Brown County, Ohio. New York: Fordham University Press.

Engs, Robert Francis., Corey M. Brooks, and Joseph S. Evans. Their Patriotic Duty: The Civil War Letters of the Evans Family of Brown County, Ohio. New York: Fordham University Press, 2007.

Engs, Robert Francis., Corey M. Brooks, and Joseph S. Evans. Their Patriotic Duty: The Civil War Letters of the Evans Family of Brown County, Ohio. New York: Fordham University Press, 2007.