Lawrence G. Lovasik (1999). “The Hidden Power of Kindness: A Practical Handbook for Souls who Dare to Transform the World, One Deed at a Time”, p.49, Sophia Institute Press
Irvin S. Cobb, Mary Roberts Rinehart, Helen Rowland, Richard Saunders (2017). “We Should All Be So Feminine: We Should All Be a Feminist: We Should All Be Feminists”, p.66, Lulu.com
Irvin S. Cobb, Mary Roberts Rinehart, Helen Rowland, Richard Saunders (2017). “We Should All Be So Feminine: We Should All Be a Feminist: We Should All Be Feminists”, p.64, Lulu.com