found: Coll. of Phys. of Phila. Office of the Secretary. Letters acknowledging associate fellowship, 1839-1850(John Hubbard)
found: Maine. Governor (1850-1853 : Hubbard). State of Maine. By the governor. A proclamation for a day of public thanksgiving and praise, 1852:t.p. (John Hubbard)
found: WWasWAm hist. vol., 1967(Hubbard, John; Maine physician; b. 3/22/1794; d. 2/6/1869; M.D. U. of Pa., 1822)
found: Glashan, R.R. American governors and gubernatorical elections, 1975:p. 120 (John Hubbard; doctor; Maine governor; b. 3/22/1794; d. 2/6/1869)
