1 2 3 Bergoffen, Debra, "Simone de Beauvoir", The Stanford Encyclopedia of Philosophy (Fall 2010 Edition), Edward N. Zalta (ed.), URL = <http://plato.stanford.edu/archives/fall2010/entries/beauvoir/>. ↑ Still the second sex at The Guardian; published June 6, 1999; retrieved 6 January 2019 ↑ Lisa Appignanesi's top 10 books by and about Simone de Beauvoir at The Guardian; published January 8, 2008; retrieved 6 January 2019 ↑ The Open Marriage of True Minds at The New Republic; published July 9, 2014; retrieved 6 January 2019 1 2 Mussett, Shannon.