- One Day I'll Work for Myself: The Dream and Delusion That Conquered America
- OREGON: A SHORT HISTORY OF A LONG JOURNEY FROM THE ATLANTIC OCEAN TO THE REGION OF THE PACIFIC BY LAND
- The rise, progress, and present state of medicine. A discourse, delivered at Concord, July 6th, 1791. Before the Middlesex Medical Association
- The botanist. Being the botanical part of a course of lectures on natural history
- A Prospect of Exterminating the Small Pox, Vol. 2: Being a Continuation of a Narrative of Facts Concerning the Progress of the New Inoculation in America; Together with Practical Observations on the L