John Palmer Usher (1818-1889)

Sheet 90: View of the cast iron capital and base of the columns of the dome peristyle

Henry Walker Frost, Concord, Massachusetts (1838-1891)

Sheet 34: From an architectural drawing (section plan)

Sheet 74: Arms of the territory of Nebraska

Sheet 96: From an architectural drawing (cross braces between the pillars of the dome)

Cornelius Conway Felton (1807-1862), Eliot Professor of Greek Literature, later, President of Harvard University, 1860-1862

Thomas Ustick Walter (1804-1887)

Colonel Elmer Ephraim Ellsworth (1837-1861)

Sheet 81: Bust of Bee-she-kee, an Indian chief, aged 50 years, modelled from nature at the U.S. Capitol

Glen Ellis

Gideon Allen, New Bedford, Massachusetts (1837-?)

Sheet 116: From an architectural drawing (Hospital for the Insane of the Army and Navy and the District of Columbia)