
Source: 1960s, The Gutenberg Galaxy (1962), p. 21
Source: 1960s, The Gutenberg Galaxy (1962), p. 61
Source: 1960s, The Gutenberg Galaxy (1962), p. 21
Source: 1960s, The Gutenberg Galaxy (1962), p. 66
Source: 1960s, The Gutenberg Galaxy (1962), p. 72
Source: 1980s, Laws of Media: The New Science (with Eric McLuhan) (1988), p. 15
Source: 1960s, The Gutenberg Galaxy (1962), p. 136
Source: 1990s and beyond, The Book of Probes : Marshall McLuhan (2011), p. 70
Source: 1960s, The Gutenberg Galaxy (1962), p. 47
“Why is the alphabet in that order? Is it because of that song?”
Source: 1980s, Laws of Media: The New Science (with Eric McLuhan) (1988), p. 74