Fonds comprises the personal papers of James Dinwiddie, which include lecture notes, scientific journals, notebooks, manuscript, early experiments for 1774, correspondence, personal journals and also some records from the Royal Institution for 1808-1814. His papers also include the journals of W.J. Proudfoot and a biography of his father (and Dinwiddie's son-in-law), James Proudfoot.
Item is a letter (1828) from Jonathan Sewell to his daughters, Maria (the eldest) and Henrietta, addressed to the care of their uncle, Stephen Sewell, in Montreal. Sewell describes the recent departure of Lord and Lady Dalhousie and exhorts his daughters to travel by steamboat and meet him at Three Rivers, which he calls "The Modern Seat of Science, Literature & Fashion."