Hewitt, C. G. <br/><br/>
House flies and hoe they spread disease /    
C.G. Hewitt. 
 - Cambridge :   Cambridge Univeristy Press ,   1912. 
 - xii, 122 p. :    ill. ;    17 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Flies.--------<br/>Insects as carriers of disease.--------
<br/><br/><label>National Library of Medicine Call No.: </label>DVNU   /  H497h