Hyatt, T., Andrew, J. A. 1., & Sewall, S. E. 1. (1860). Argument on behalf of Thaddeus Hyatt,: Brough[t] before the Senate of the United States on a charge of contempt for aefusing [sic] to appear as a witness before the Harper's Ferry Committee. [Washington, D.C.?: s.n..

Hyatt, Thaddeus., John A. 1818-1867 Andrew, and Samuel E. 1799-1888 Sewall. Argument On Behalf of Thaddeus Hyatt,: Brough[t] Before the Senate of the United States On a Charge of Contempt for Aefusing [sic] to Appear As a Witness Before the Harper's Ferry Committee. [Washington, D.C.?: s.n., 1860.

Hyatt, Thaddeus., John A. 1818-1867 Andrew, and Samuel E. 1799-1888 Sewall. Argument On Behalf of Thaddeus Hyatt,: Brough[t] Before the Senate of the United States On a Charge of Contempt for Aefusing [sic] to Appear As a Witness Before the Harper's Ferry Committee. [Washington, D.C.?: s.n., 1860.