Elbert Hubbard (1908). “Little Journeys to the Homes of Great Teachers: Booker T. Washington. Thomas Arnold. Erasmus. Hypatia. St. Benedict. Mary Baker Eddy”
Alan Greenspan's address to the Federal Reserve Bank of Chicago's Forty-first Annual Conference on Bank Structure in Chicago, Illinois, www.federalreserve.gov. May 5, 2005.