Reminiscences of Dr John Brown, founder of the Brunonian System of medicine, with a letter on the same subject, both addressed by his daughter, Elizabeth Cullen Brown, to Thomas Joseph Pettigrew., 1838., MS.5173. Manuscripts collected by William Lee Ferguson, Edinburgh., MSS.5170-5177. National Library of Scotland Archives and Manuscripts Division. https://nlssb.as.atlas-sys.com/repositories/2/archival_objects/10713 Accessed September 24, 2024.