The house fly--carrier of disease
By: issued by the Ohio state dept. of health.
Contributors: Ohio. State Dept. of Health.; American Medical Association.  Council on health and public instruction.
Edition: 6th printing, June, 1923.
Publisher: The F.J. Heer printing co.
Published: 1923
Place of publication: Columbus, O
Language: eng
Number of pages: 16
Subjects: Flies as carriers of disease.; Flies.
Notes: cover-title.
Caption title: ... [by] L. O. Howard.