• https://en.wikipedia.org/wiki/Sophie_Germain

​

• https://www.google.com/search?q=paris+france&espv=2&biw=1536&bih=727&site=webhp&source=lnms&tbm=isch&sa=X&ved=0ahUKEwj67NOFsNPQAhVjjFQKHQDCAakQ_AUIBygC

​

• https://todayinsci.com/G/Germain_Sophie/GermainSophie-Quotations.htm

​

• https://www.agnesscott.edu/lriddle/women/germain.htm

​

• https://www.sdsc.edu/ScienceWomen/germain.html

​

• famous-mathematicians.org/sophie-germain/