The Half Century; or, A History of Changes that have taken Place, and Events that have Transpired, chiefly in the United States, between 1800 and 1850. With an Introduction by Mark Hopkins, D.D.

Davis, Emerson. The Half Century; or, A History of Changes that have taken Place, and Events that have Transpired, chiefly in the United States, between 1800 and 1850. With an Introduction by Mark Hopkins, D.D. Boston: Tappan and Whittemore, 1851. xxii, 444 p.