Had I not been reading

                                              
                                              
 works by and/or about Marshall McLuhan,
Northrop Frye, and Joseph Campbell before
1972, this post would not be.  However, as 
is my usual practice, I will defer to others   
about these authors. 
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In 1971 my "Revealing the Source" 
was published in Yes and then in my
1972 book.  Presently here, that poem 
is a re-visioning of humanity's roots in
light of humanity's evolution, specifically
as it relates to the invention of movable
type, and by implication all advances--
if one sees them as advances--of human    
ingenuity.                                
                                           
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McLuhan:                                    
                                             
Gingko Press
                                               
Marshall McLuhan page
                                           
under the M authors       
                                               
                                
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Frye:                                       
                                           
Frye Centre

                                           
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Campbell:                                  
                                               
Wikipedia
                                                            
                                                   
                                             
                                               
                                              
                                                 
Rho00147