Included among Bradley's papers are materials relating to his student days; notebooks of cures and remedies (1815+); a list of infants delivered (1818-1876); an alphabetically arranged listing of proper names in Dr. Bradley's diaries compiled by Grace Goodell Witty; sermons and religious experiences; fragmentary diaries; an autobiography (44 pp.); genealogical notes; a description of Eaton, New York, with recordings of weather and plant growth (1818); a manuscript speech against abolition and favoring colonization (1840, 44 pp.); a speech for universal education (1843); and an inaugural address given before the Monroe County Medical Society (1843); the constitution of the Parma and Greece Moral Reform Society, a women's organization (1837); a few papers relating to his political activities and clippings with explanatory notes; and a series of letters between Bradley and his son William, a physician in Lockport, Illinois, and later in Evanston (1865-1880).