One letter to James Dinwiddie from A.P. Buchanan
One letter to James Dinwiddie from Richard Clements
One letter to James Dinwiddie from the College of Fort William
One letter to James Dinwiddie from Mr Custer
One letter to James Dinwiddie from Mr & Mrs Dickson
One letter to James Dinwiddie from Thomas H. Duffin
One letter to James Dinwiddie from Dumfries Philosophical Society
One letter to James Dinwiddie from Miss Gill
One letter to James Dinwiddie from P. Graham
One letter to James Dinwiddie from Mrs Grant
Mathematics, No. 1-3
Optics, No. 1-3
Trigonometry
Oblique Angle Triangles
Rules of Philosophy
Naval Architecture
Three letters to James Dinwiddie from J.H. Harrington
One letter to James Dinwiddie from William Hyslop
One letter to James Dinwiddie from Miss Kelly
One letter to James Dinwiddie from Kennedy
One letter to James Dinwiddie from John Kelso
One letter to James Dinwiddie from James Lynch
One letter to James Dinwiddie from Dean Mahomet
One letter to James Dinwiddie from H Mowlray
One letter to James Dinwiddie from John Murray
One letter to James Dinwiddie from John Sander
One letter to James Dinwiddie from M. Stokes
One letter to James Dinwiddie from Dr William Tennant
One letter to James Dinwiddie from G.H. Toulmin
One letter to James Dinwiddie from Dr. Usher
One letter to James Dinwiddie from Mr. Welles
One letter to James Dinwiddie from Thomas White
Diagram of a pike made by Coulter.
One letter, unknown sender or receiver
One letter fragment, unknown sender or receiver
One letter, unknown sender and receiver
Four letter fragments, dates, senders and receivers unknown
Letter from Mary Dobie to James Dinwiddie
Natural History, No. 2,3; Chemistry, No. 1-4; Metallurgy, No. 1-3
Lecture Notes
Lecture Notes
Lecture Notes
Deduction of the Distance by Mitchell Method
Of the General Affections of Motion
Time
Planitarium
Electricity, No. 1,3
Agriculture
Planitarium - Globe
Metaphysics, No. 1