- A lecture, delivered at the opening of the medical department of the Columbian College : March 30, 18251
- A materia medica of the United States: systematically arranged1
- A materia medica, of the United States: systematically arranged1
- A plea for stability and permanence in institutions of learning: delivered before the trustees, officers and students of the Cleveland Medical College, February 26, 18451
- A plea of humanity in behalf of medical education: the annual address delivered before the New-York State Medical Society and members of the legislature at the capitol, February 6, 18491
- A popular essay on subjects of penal law, and on uninterrupted solitary confinement at labor, as contradistinguished to solitary confinement at night and joint labor by day, in a letter to John Bacon1
- A reply to Dr. Haygarth's "Letter to Dr. Percival, on infectious fevers": and his "Address to the College of Physicians at Philadelphia, on the prevention of the American pestilence," exposing the medical, philosophical, and literary errors of that author, and vindicating the right which the faculty of the United States have to think and decide for themselves, respecting the diseases of their own country, uninfluenced by the notions of the physicians of Europe1
- A synopsis of the flora of the western states1
- A synopsis of the genera of American plants, according to the latest improvements on the Linnaean system: with the new genera of Michaux and others : intended for the use of students in botany1
- A treatise containing a plan for the internal organization and government of marine hospitals, in the United States: together with observations on military and flying hospitals, and a scheme for amending and systematizing the medical department of the Navy1
- A treatise on the law of idiocy and lunacy1
- A view of the soil and climate of the United States of America: with supplementary remarks upon Florida; on the French Colonies on the Mississippi and Ohio, and in Canada; and on the aboriginal tribes of America1
- A vindication of the separate system of prison discipline from the misrepresentations of the North American review, July 18391
- Additional regulations for the medical department of September 18181
- Address delivered at the Medical College of Georgia: on opening the course of lectures, 17th October, 18371
- American medical botany: being a collection of the native medicinal plants of the United States, containing their botanical history and chemical analysis, and properties and uses in medicine, diet and the arts, with coloured engravings1
- American medical botany: being a collection of the native medicinal plants of the United States, containing their botanical history and chemical analysis, and properties and uses in medicine, diet and the arts, with coloured engravings (Volume 1)1
- American medical botany: being a collection of the native medicinal plants of the United States, containing their botanical history and chemical analysis, and properties and uses in medicine, diet and the arts, with coloured engravings (Volume 2)1
- American medical botany: being a collection of the native medicinal plants of the United States, containing their botanical history and chemical analysis, and properties and uses in medicine, diet and the arts, with coloured engravings (Volume 3)1
- An address delivered in the Capitol, in Washington City, February 16th, 1828, at an exhibition of three of the pupils of the Pennsylvania Institution for the Education of the Deaf and Dumb1