See History of Arizona medicine; collections of Orville Harry Brown, M.D. [AHSL Special Collections WZ 70 AA7 H673].
Census of women physicians. American Women's Hospitals, 1918, page 5: Arizona. ... Nettle, Mary A. Israel ... Colo. River Sch. Parker, Yuma Co.
J Am Med Assoc, May 1931; 96: 1802: At the fourth annual meeting of the Arizona Public Health Association, Nogales, May 5-6, Drs. Mary Anna I. Nettle, Parker, spoke on "Indians as a Public Health Problem"; George F. C. Fasting, Tucson, "Identifying Clinical Suspects and Carriers"; Benson Bloom, Tucson, "Clinical Review of a Dysentery Outbreak"; Reginald J. H. Stroud, Temple, "Epidemiology of Epidemic Meningitis"; Alexander C. McKean, Globe, "Outbreak of Meningitis in Gila County," and Charles W. Sult, Phoenix, recently appointed state health officer, on "The State Board of Health Program."
J Am Med Assoc. 1936;106(18):1585: Mary Anna Israel Nettle, Parker, Ariz. ; Howard University College of Medicine, Washington, D. C, 1905 ; formerly physician in the Indian Service ; aged 54 ; was found dead, March 3, of an overdose of morphine, self-administered.