Kellys Golf History: John McDermott US Open Champ 1911-12
John McDermott (golfer) - Wikipedia
Spring Lake's Evan McDermott adding golf to family's athletic success - BVM Sports
John McDermott (golfer) - Wikipedia
The Tragic Tale of Johnny McDermott
Golf Notebook: Michael McDermott surges into Philadelphia Amateur final – Delco Times
John McDermott, History's Forgotten Champion, Deserves to be Remembered - Morning Read
VIDEO: Amputee Golfer Bob MacDermott competes in Senior Championship – Alberta Golf
Society of Golf Historians on Twitter: "It's worth reminding you all that I researched, wrote and narrated an interesting podcast about the “Champion Who Lost His Mind” Johnny McDermott for the TalkinGolf
Rules incident
U.S. Open Throwback: The First American Champion
Kellys Golf History: Re: "The Curious Case of John McDermott" Golf Magazine - June 2012
Philadelphia Amateur: McDermott wins medalist honors
Amazon.com: Golf's Forgotten Hero: The Life of John McDermott: 9798409425470: Kenny, Kevin: Books
A Golf Career Cut Short by Mental Illness: Tragedy of John Mcdermott - HubPages
Boys golf regionals: Evan McDermott leads Spring Lake to Division 2 title in Ludington - CatchMark Sports
Philadelphia Amateur: McDermott ousts defending champ Osberg in round-of-16
West Michigan teen has basketball name, but golf is his game as Nebraska commit - mlive.com