Harwell , George  C. <br/><br/>
Technical communication /    
by George C. Harwell. 
 - New York :   Macmillan,   1960. 
 - 332 p. :    ill. ;    22  cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language --Rhetoric.------
<br/><br/><label>Dewey Class. No.: </label>809.066