Three letters to James Dinwiddie from J.H. Harrington
One letter to Col. Shawe from James Dinwiddie
Introduction
One letter to James Dinwiddie from R. Vevers
One letter to James Dinwiddie from William Steven
One letter to James Dinwiddie from Charles Taylor
One letter to James Dinwiddie from Dumfries Philosophical Society
Syllabus of a Course of Lectures on Experimental Philosophy
One letter to James Dinwiddie from R. Cuthbert
Pieces of a letter
One letter to James Dinwiddie from Rawlins