John Henry Newman (2000). “Lectures on the Present Position of Catholics in England: Addressed to the Brothers of the Oratory in the Summer of 1851”, p.390, Gracewing Publishing
"Yehudi Menuhin Revered as Musician, Humanitarian / Admired by Einstein, gifted artist shared himself with the world" by Jesse Hamlin, www.sfgate.com. March 13, 1999.