Congregation, A. M. o. H. (1922). The educational ideals of Blessed Julie Billiart, foundress of the Congregation of the Sisters of Notre Dame of Namur. New York.
Dyfyniad Arddull ChicagoCongregation, A Member of Her. The Educational Ideals of Blessed Julie Billiart, Foundress of the Congregation of the Sisters of Notre Dame of Namur. New York, 1922.
Dyfyniad MLACongregation, A Member of Her. The Educational Ideals of Blessed Julie Billiart, Foundress of the Congregation of the Sisters of Notre Dame of Namur. New York, 1922.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.