Description TitleA map showing the Congressional districts of Massachusetts as established by the Act of Sept. 16, 1842Contributor NamesBigelow, John P. (John Prescott), 1797-1872.Created / Published[S.l. : s.n., ca. 1842?]Subject Headings- United States.--Congress--Election districts--Maps- Election districts--Massachusetts--Maps- Massachusetts--Administrative and political divisions--Maps- United States--Massachusetts