Helen Murray Free (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Helen Murray Free" in English language version.

refsWebsite

Global rank English rank

5acs.org

1,248^th place

1,104^th place

4web.archive.org

1^st place

3sciencehistory.org

3,963^rd place

2,357^th place

2books.google.com

3^rd place

1nytimes.com

7^th place

1greatwomen.org

low place

1uakron.edu

low place

1wisc.edu

1,045^th place

746^th place

1mit.edu

415^th place

327^th place

1kilby.org

low place

1wsbt.com

low place

1archives.gov

446^th place

308^th place

1doi.org

2^nd place

1womenofthehall.org

low place

acs.org

Helen M. Free (b. 1923). (n.d.). Retrieved from https://www.acs.org/content/acs/en/education/whatischemistry/women-scientists/helen-m-free.html.
Al and Helen Free and the Development of Diagnostic Test Strips. (May 1, 2010). Retrieved from https://www.acs.org/content/acs/en/education/whatischemistry/landmarks/diagnosticteststrips.html.
"Helen M. Free Award for Public Outreach". ACS Chemistry for Life. American Chemical Society. Retrieved December 15, 2014.
"Award website".
"Al and Helen Free and the Development of Diagnostic Test Strips". National Historic Chemical Landmarks. American Chemical Society. May 1, 2010. Retrieved July 12, 2014.

archives.gov

obamawhitehouse.archives.gov

Obama, Barack (November 17, 2010). "Remarks by the President in Presenting National Medals of Science and National Medals of Technology and Innovation". whitehouse.gov. Retrieved November 17, 2010 – via National Archives.

books.google.com

Wayne, Tiffany K. (2011). American women of science since 1900. Santa Barbara, Calif.: ABC-CLIO. pp. 407–408. ISBN 978-1598841589.
Oakes, Elizabeth H. (2007). Encyclopedia of world scientists (Rev. ed.). New York: Facts on File. pp. 250–251. ISBN 9781438118826. Retrieved December 15, 2014.

doi.org

Paiva, Rini (2011). "News & Views: Helen Free Receives National Honor". Clinical Chemistry. 57 (Special Issue): 647–648. doi:10.1373/clinchem.2011.162859.

greatwomen.org

dev.greatwomen.org

"Helen Murray Free". National Women's Hall of Fame. Archived from the original on December 16, 2014. Retrieved December 15, 2014.

kilby.org

"The Kilby International Awards". The Kilby International Awards Foundation. Retrieved December 15, 2014.

mit.edu

web.mit.edu

"Inventor of the Week: Archive". Web.mit.edu. Archived from the original on March 18, 2003. Retrieved May 9, 2009.

nytimes.com

Gellene, Denise (May 3, 2021). "Helen Murray Free Dies at 98; Chemist Developed Diabetes Test". The New York Times. Retrieved May 3, 2021.

sciencehistory.org

Helen M. Free and Alfred Free. (December 5, 2017). Retrieved from https://www.sciencehistory.org/historical-profile/helen-and-alfred-free.
"Helen M. Free and Alfred Free". Science History Institute. Retrieved February 19, 2018.

oh.sciencehistory.org

Bohning, James J. (December 14, 1998). Helen Murray Free, Transcript of an Interview Conducted by James J. Bohning at Elkhart, Indiana on 14 December, 1998 (PDF). Philadelphia, PA: Chemical Heritage Foundation.

uakron.edu

"Helen M. Free". Uakron.edu. July 21, 2006. Archived from the original on October 21, 2010. Retrieved November 17, 2010.

web.archive.org

"Helen Murray Free". National Women's Hall of Fame. Archived from the original on December 16, 2014. Retrieved December 15, 2014.
"Helen M. Free". Uakron.edu. July 21, 2006. Archived from the original on October 21, 2010. Retrieved November 17, 2010.
"Inventor of the Week: Archive". Web.mit.edu. Archived from the original on March 18, 2003. Retrieved May 9, 2009.
Daniel, Debra (November 16, 2010). "Obama to present medal to Elkhart woman". WSBT-TV. Archived from the original on July 23, 2011. Retrieved November 17, 2010.

wisc.edu

jchemed.chem.wisc.edu

"JCE Online: Biographical Snapshots: Snapshot". Jchemed.chem.wisc.edu. Retrieved May 9, 2009.

womenofthehall.org

National Women's Hall of Fame, Helen Murray Free

wsbt.com

Daniel, Debra (November 16, 2010). "Obama to present medal to Elkhart woman". WSBT-TV. Archived from the original on July 23, 2011. Retrieved November 17, 2010.