Erna Schneider Hoover (Simple English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Erna Schneider Hoover" in Simple English language version.

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bookrags.com

invent.org

  • "Hall of Fame -- induction info". National Inventors Hall of Fame. 2008. Archived from the original on 2012-04-28. Retrieved 2012-06-05.
  • National Inventors Hall of Fame Archived 2010-07-09 at the Wayback Machine website. Accessed March 18, 2010.
  • "NIHF Inductee Erna Schneider Hoover Invented the Telephone Switching System". www.invent.org. Retrieved 2021-03-23.

nj.com

pgi.com

web.archive.org

  • "Hall of Fame -- induction info". National Inventors Hall of Fame. 2008. Archived from the original on 2012-04-28. Retrieved 2012-06-05.
  • National Inventors Hall of Fame Archived 2010-07-09 at the Wayback Machine website. Accessed March 18, 2010.
  • "Women in History: Dr. Erna Hoover". PGi Blog. 2017-03-14. Archived from the original on 2021-01-17. Retrieved 2021-03-23.