Dorr, E. P. (1874). A brief sketch of the first Monitor and its inventor: A paper read before the Buffalo historical society, January 5, 1874 (2nd ed.). Buffalo: Printing house of Matthews & Warren.

Dorr, Ebenezer P. A Brief Sketch of the First Monitor and Its Inventor: A Paper Read Before the Buffalo Historical Society, January 5, 1874. 2nd ed. Buffalo: Printing house of Matthews & Warren, 1874.

Dorr, Ebenezer P. A Brief Sketch of the First Monitor and Its Inventor: A Paper Read Before the Buffalo Historical Society, January 5, 1874. 2nd ed. Buffalo: Printing house of Matthews & Warren, 1874.