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Subject "Flies as carriers of contagion"
The house fly, disease carrier; an account of its dangerous activities and of the means of destroying it, by L.O. Howard, PH. D.
By: Howard, L. O.
Publication info: New York,Frederick A. Stokes Company[c1911]
Contributed by: Smithsonian Libraries
Subjects: Control Flies Flies as carriers of contagion