ביולה לואיז הנרי (Hebrew Wikipedia)

Analysis of information sources in references of the Wikipedia article "ביולה לואיז הנרי" in Hebrew language version.

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1books.google.com

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1introductionsnecessary.com

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1web.archive.org

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1victoriana.com

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1carolinacountry.com

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about.com

inventors.about.com

"Beulah Henry at about.com". about.com.

books.google.com

Autumn Stanley. (1993). Mothers and daughters of invention: notes for a revised history of technology. Scarecrow Press, Rutgers. p. 424. Google Books preview.

carolinacountry.com

"Getting To Know … Beulah Louise Henry".

ethw.org

"IEEE History Center Biography of Beula Louise Henry". ieee.org.
Beulah Louise Henry – ETHW, ethw.org
Beulah Louise Henry – ETHW, ethw.org

introductionsnecessary.com

Beulah Louise Henry | Introductions Necessary, introductionsnecessary.com (באנגלית) (ארכיון)

invent.org

Biography from the National Inventors Hall of Fame

mit.edu

web.mit.edu

MIT Inventor of the Week page about Henry

victoriana.com

"Necessity is the Mother of Invention - Victoriana Magazine". Victoriana Magazine (באנגלית אמריקאית). 2014-06-21.

web.archive.org

Beulah Louise Henry | Introductions Necessary, introductionsnecessary.com (באנגלית) (ארכיון)