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 377.
See also: McClintock, James H. Arizona, Prehistoric, Aboriginal, Pioneer, Modern; the Nation's Youngest Commonwealth within a Land of Ancient Culture. Chicago: The S.J. Clarke Pub. Co., 1916 (aka Arizona, the Youngest State), volume 3 (Biographical), pages 923-924.
Census of women physicians. American Women's Hospitals, 1918, page 5: Arizona. ... Wallace, Agnes McKee ... Duncan, Greenlee Co.
J Am Med Assoc, Jul 1911; LVII: 331: List of Members who Registered at the [American Medical Association annual meeting] Los Angeles Session, June, 1911. Practice of Medicine. Wallace, Agnes McKle [sic], Prescott, Ariz.
J Am Med Assoc, Mar 1935; 104: 851: Agnes McKee Wallace, Buell, Mo. ; Kansas Medical College, Medical Department of Washburn College, Topeka, 1893; aged 83 ; died, Dec. 28, 1934, of arteriosclerosis.