Pieces of a letter
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
Notes from "Philosophical Transactions"
One letter to James Dinwiddie from Charles Taylor
One letter to James Dinwiddie from William Steven
One letter to James Dinwiddie from R. Vevers
Introduction
Scientific Journal
One letter to Col. Shawe from James Dinwiddie
Three letters to James Dinwiddie from J.H. Harrington
One letter to James Dinwiddie from Rawlins
Early Experiments
Experimental Philosophy
Royal Institution Notes