Siegfried, André,  1875-1959. <br/><br/>
Routes of contagion / 
André Siegfried 
 - [1st American ed.] 
 - New York :  Harcourt, Brace & World,  1965 
 - 98 p. :  Illas ;  22 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Communicable diseases.<br/>Epidemics.<br/>Ideology.<br/>Communication.
<br/><br/><label>Dewey Class. No.: </label>616.9  / SIR 1965