Mentioned in the 10/8/1940 Minutes of the Pima County Medical Society, 1904-1954: “The scientific program consisted of a lantern slide demonstration of ‘Malocclusion’ by Dr. C.H. Tweed…”
See History of Arizona medicine; collections of Orville Harry Brown, M.D. [AHSL Special Collections WZ 70 AA7 H673]. Quebbeman, Frances E. Medicine in territorial Arizona. Phoenix : Arizona Historical Foundation, 1966, page 376.