McLuhan, Marshall,  1911- <br/><br/>
Counter blast / 
by Marshall McLuhan ; designed by Harley Parker 
 - New York :  Harcourt, Brace & World,  1969 
 - 141 p. ;  21 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Communication<br/>Technology and civilization