“Notes in Connexion With Twelve Autograph Letters by Major-General James Wolfe, Who Fell at the Capture of Quebec on 13th September 1759, Addressed to Captain, Afterwards Lieut.-Colonel William Rickson, Quarter-Master General of North Britain”. 1863. Proceedings of the Society of Antiquaries of Scotland 4 (November): 455-59. https://doi.org/10.9750/PSAS.004.455.459.