Vanderslice, J. M. (1899). Gettysburg, then and now, the field of American valor: Where and how the regiments fought, and the troops they encountered. New York: G.W. Dillingham Co..

Vanderslice, John Mitchell. Gettysburg, Then and Now, the Field of American Valor: Where and How the Regiments Fought, and the Troops They Encountered. New York: G.W. Dillingham Co., 1899.

Vanderslice, John Mitchell. Gettysburg, Then and Now, the Field of American Valor: Where and How the Regiments Fought, and the Troops They Encountered. New York: G.W. Dillingham Co., 1899.