Casselman, William Gordon (2006). "The Real McCoy". Bill Casselman’s Canadian Word of the Day. Archived from the original on April 27, 2011. Retrieved March 5, 2011.
"Cupid, Love's Referee, Counts Nine on Kid McCoy, But He's Not Out, Yet!" (Press Publishing Co.), by Marguerite Mooers Marshall (1887–1964), Billings Gazette, August 22, 1920, p. 2 (2nd ed.) (accessible viaNewspapers.com, subscription required)
Casselman, William Gordon (2006). "The Real McCoy". Bill Casselman’s Canadian Word of the Day. Archived from the original on April 27, 2011. Retrieved March 5, 2011.
