| " Little, Brown and Company, New York, 2004 | The great inventor, the fruits of whose genius so magically transformed the everyday world, was 84 years and 8 months old |
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| American Society of Mechanical Engineers | McGraw Hill, New York, 1959,• "About the Memory of a Theatre" |
"Thomas Edison, Original Letters and Primary Source Documents".
27| Edison: A Life of Invention | "The will of Thomas A |
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| 1042—1044, "Living With a Genius", condensed from The American Magazine February 1930• The Edison Papers, Rutgers University | The New York Times Company |
Reader's Digest, March 1930, pp.
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