Immunization to typhoid fever, results obtained in the prevention of typhoid fever
in the United States army, United States navy, and Civilian conservation corps, by
the use of vaccines, From the research laboratories of the Army medical school, Washington,
D. C. Investigations carried out under the general supervision of: Colonel J. F. Siler
... Lt. Colonel George C. Dunham ... [and] Major Don Longfellow ... 1941.