Catholic Encyclopedia: St. Julie Billiart - Biographical article on the founder of the Sisters of Notre Dame de Namur. She is also called Julia, and died in 1816. www.newadvent.org/cathen/08559a.htm
The Blessed Julie Billiart - Foundress of the Congregation of Sisters of Notre Dame. From Alban Butler's Lives of the Saints. www.ewtn.com/library/MARY/BILLIART.htm