There are three letters from Lord Selkirk, one from Lord Dalhousie, and eight from Lady Selkirk. The early letters concern the Red River Settlement and the North West Company. The letter from Lord Dalhousie, 1824, concerns legal matters, and the two late letters, 1828 and 1833, from Lady Selkirk are personal in nature.

A collection of documents from the life of Simon McTavish including a letter to his creditors and a series of legal opinions on the estate of Simon and William McGillivray. Documents' informational value is largely financial in nature.

Greeley's papers comprise 15 letters, and the original typescript, with handwritten corrections of Chapters 11-18 of Arctic Discoveries.

Fonds consists of letters written to P.M. Roget by various people, 1830-1856.