Letter from Sir Alexander Mackenzie to Simon McTavish, 5 August 1792
Letter from Donald Ross to Simon McTavish, 22 August 1792
Letter from James Hallowell to Simon McTavish, 17 November 1792
Letter from Hugh Finlay to Simon McTavish, 16 February 1797
Letter from Alexander Henry to Simon McTavish, 24 January 1796
Letter from Simon Fraser to Simon McTavish, 21 July 1796
Letter from Joseph Frobisher to Simon McTavish, 18 November 1792
Letter from James Caldwell to Simon McTavish, 5 December 1792
Letter from William Lindsay to Simon McTavish, 24 July 1795
Letter from Roderick Mackenzie to Simon McTavish, 11 May 1800