Baker, Burt Brown, ed. Letters of John McLoughlin (Portland: Oregon Historical Society, Binfords and Mort, 1948).

Barker, Burt Brown. The McLoughlin Empire and its Rulers: Doctor John McLoughlin, Doctor David McLoughlin, Marie Louise [Sister St. Henry]. An Account of Their Personal Lives, and of Their Parents, Relatives and Children; in Canada's Quebec Province, in Paris, France, and in the West of the Hudson's Bay Company (Northwest Historical Series V. (Glendale, California: Arthur H. Clark, 1959).

[BCBW 2005] "Forts and Fur"