One letter to James Dinwiddie from Mr. Welles
One letter to James Dinwiddie from A.P. Buchanan
One letter to James Dinwiddie from John Kelso
One letter to James Dinwiddie from John Turing
A letter from William Scott to James Dinwiddie
Seventeen letters to James Dinwiddie from Logan Henderson
Five letters to James Dinwiddie from W. Hart Stevenson
One letter to James Dinwiddie from R. Higginbotham
Introduction; Mechanics
One letter to James Dinwiddie from William Cleghorn
Lightning and other Phenomena: Lectures on Electricity
One letter to James Dinwiddie from Ian Wood
Lecture 7
Lecture 8
Lecture Notes
Electricity, No. 1,3