- Intemperance: extracts from an address upon the effects of ardent spirits, delivered in the Town Hall of Lime, N.H1
- Interesting essays, chiefly on the subject of the yellow fever: interspersed with some remarks on the progress of the preparations for a permanent bridge : and occasionally containing a few observations, relative to the great cause of general humanity1
- Interior of the Kinetographic Theater1
- Internal health regulations of the town of Boston: each family, on receiving this pamphlet, is requested to stitch it and preserve it with care1
- Introduction of tobacco into England1
- Introductory address delivered at the opening of the Medical College of the State of South-Carolina: November 10, 18341
- Introductory address delivered before the class of the Eclectic Medical Institute, Cincinnati, O. at the commencement of the session, November, 18471
- Introductory address on independence of intellect1
- Introductory address to the students in medicine of the College of Physicians and Surgeons of the University of the State of New-York: delivered Nov. 7, 18371
- Introductory address, and catalogue of students attending the annual course of lectures on anatomy and surgery1
- Introductory address, delivered at the opening of the session of the Medical College of Georgia: on the second Monday of November, 18381
- Introductory address, of the Medical College of the State of S. Carolina: on the restitution to the faculty, by the Medical Society, of their former edifice1
- Introductory for 1844-5: on the present position of some of the most important of the modern operations of surgery1
- Introductory lecture1
- Introductory lecture addressed to the medical class of Transylvania University: session of 1849-501
- Introductory lecture before the Albany Medical College: delivered October 1, 18391
- Introductory lecture before the medical class of the University of Pennsylvania: delivered Nov. 4, 18441
- Introductory lecture before the medical class of the University of Pennsylvania: delivered Nov. 9, 18431
- Introductory lecture by Matthew Semple in the Homoeopathic Medical College of Pennsylvania: delivered November 25, 18491
- Introductory lecture delivered at the commencement of the fourth session of the Medical College of South Carolina, November 18271