World Innovations
  1. "Taylor, Frederick", excerpt from, The Principles of Scientific Management, New York: Harper and Bros., 1913.
  2. "Reconstruction", (advertisement), The Independent, (New York), February 8, 1919, vol. 97, p. 198
  3. "Today's Housewife", (advertisement), The Independent, (New York), February 1, 1919, vol. 97, p. 168
  4. Purinton, Edward Earle, "Machines instead of men", The Independent, (New York), vol. 97, pp. 92 - 93, 100. January, 1919
  5. Grossman, James, Land of Hope: Chicago, Black Southerners, and the Great Migration, Chicago, Univ. of Chicago Press, p.190 - 191
  6. "How the Great Bell Telephone Started", The Chicago Daily News Almanac and Yearbook for 1920, Chicago Daily News, 1920. pp. 981, 982, 983
  7. Boorstin, Daniel J., "Frederick Taylor" excerpt, from, The Americans, The Democratic Experience, New York, Vintage Books, 1974, pp. 364 - 365
  8. Evans, Arthur M., "'Social Justice' Becomes the New Religion of Big Employers of Chicago; Give Workers Share in the Profits", The Chicago Daily Tribune, April 15, 1919
  9. "The Chances For Experimental Chemists", Science and Invention, (New York), August 1919
  10. "Be a Certificated Electrician", (advertisement), Science and Invention, (New York), August 1919
  11. "Speed Up Production", (advertisement), The Independent, (New York), January 18, 1919, vol. 77, 1919, p. 71
  12. "Reduction in the Cost of Local Transportation", (pamphlet), The Steelball Company, Chicago, Illinois, 1901
  13. Sinsabaugh, Chris, "Who Me? ! Forty Years of Automobile History",Arnold Powers, Inc. Detroit, 1940
  14. Excerpt - The development of the Automobile Club.
  15. Excerpt - The first Automobile Show.