Existentialism and Excess: The Life and Times of Jean-Paul Sartre by Gary Cox | Goodreads
Amazon.com: Existentialism and Excess: The Life and Times of Jean-Paul Sartre (Audible Audio Edition): Gary Cox, Matt Addis, Audible Studios for Bloomsbury: Books
Jean-Paul Sartre, Existentialist | The New Yorker
Radical Freedom and Existentialism | CK-12 Foundation