The New England calandar: or Almanack, for the year of our Lord 1797 : ... Calculated for the meridian of Concord, latitude 43$ 14' N. longitude 72$ 45' W. : And with but little variation will answer for any of the Newengland states. - Leavitt, Dudley, 1772-1851 (Early American imprints. Evans (1639-1800), 1796)