
Recalling Brother Matthias Boutlier, in The Babe Ruth Story; reproduced in "Photo of the Day: Babe Ruth Bows Out" http://www.whaleoil.co.nz/2016/05/photo-day-761-2/ by Lux, at Whale Oil Beef Hooked (May 3, 2016)
On the mentoring he received from Brother Matthias Boutlier, Prefect of Discipline at St. Mary's Industrial School for Boys, in "Ruth, As a Kid, Learns to Play in Any Position" http://archives.chicagotribune.com/1920/08/09/page/15/ by Ruth, as told to Westbrook Pegler (uncredited), in The Chicago Tribune (August 9, 1920), p. 15; reprinted as "We Did Everything," https://books.google.com/books?id=SAAlxi-0EZYC&pg=PA6&dq=%22Brother+Matthias+had+the+right+idea%22&hl=en&sa=X&ved=0ahUKEwjv7_zWgLnQAhUJ7yYKHZQFA_EQ6AEIGjAB#v=onepage&q=%22Brother%20Matthias%20had%20the%20right%20idea%22&f=false in Playing the Game: My Early Years in Baseball (2011), p. 6
Recalling Brother Matthias Boutlier, in The Babe Ruth Story; reproduced in "Photo of the Day: Babe Ruth Bows Out" http://www.whaleoil.co.nz/2016/05/photo-day-761-2/ by Lux, at Whale Oil Beef Hooked (May 3, 2016)
The Guardian, 10 June 2006 http://www.guardian.co.uk/theguide/columnists/story/0,,1793019,00.html
Guardian columns, Big Brother
Hano, Arnold (1967). Greatest Giants of Them All. New York, NY: G.P. Putnam's Sons. pp. 248–249.
Sports-related
1880s, Reminiscences (1881)
“The Scoutmaster teaches boys to play the game by doing so himself.”
How to Seem (and Be) Deep http://lesswrong.com/lw/k8/how_to_seem_and_be_deep/ (October 2007)
And that was Ruth.
As quoted in "Bronx Banter Interview: Arnold Hano, Part I" http://www.bronxbanterblog.com/2009/09/25/bronx-banter-interview-arnold-hano/
Sports-related