- Induced abortion, on account of extreme narrowness of the pelvis: prize essay of the medical faculty at Tübingen1
- Induction of premature labor1
- Information for the people, or, The asylums of Ohio: with miscellaneous observations on health, diet and morals, and the causes, symptoms and proper treatment of nervous diseases and insanity1
- Information to those desiring dental operations1
- Inhalation, a valuable remedy for pulmonary diseases : including laryngitis, or clergyman's sore throat, bronchitis, asthma, pulmonary irritation, and incipient consumption1
- Inquest on the death of Agnes E. Lottimer before Dr. George C. Ball, coroner, Brooklyn, N.Y1
- Insanity in Italy1
- Insanity in its legal relations1
- Insanity of King George III: read before the Association of Superintendents of Insane Hospitals, May 22, 18551
- Institutes and practice of surgery: being outlines of a course of lectures1
- Institutes and practice of surgery: being outlines of a course of lectures (Volume 1)1
- Institutes and practice of surgery: being outlines of a course of lectures (Volume 2)1
- Institutions for the insane in Prussia, Austria, and Germany1
- Instructions for the captains & medical doctors transporting Chinese coolies for account of the Asiatic Company of Messrs. Torices, Ferrán & Dupierris of Havana1
- Instructions for the government of the medical officers of the Navy of the United States1
- Instructions relative to the registry and return of births, marriages and deaths in Vermont1
- Interesting history of the Panax (Quinquefolium) of Linnaeus, the ginseng of the Chinese, from the archives of history and medical science1
- Interesting history of the panax, (quinquefolium), of Linnaeus, the ginseng of the Chinese, from the archives of history and medical scence1
- Intermarriage, or, The mode in which, and the causes why, beauty, health and intellect result from certain unions, and deformity, disease and insanity from others : demonstrated by delineations of the structure and forms and descriptions of the functions and capacities, which each parent, in every pair, bestows on children : in conformity with certain natural laws, and by an account of corresponding effects in the breeding of animals1
- Introduction to algology: with a catalogue of American algae, or sea-weeds, according to the latest classification of Prof. Harvey1