Blue Jays retire Roy Halladay's No. 32 in opening day ceremony
Halladay announces his retirement from baseball
Blue Jays' All-Time Retired Numbers
Citing Back Problems, Halladay Retires After 16 Years and 203 Wins - The New York Times
On This Day: Roy Halladay Retires as a Member of the Blue Jays
As cases for Roy Halladay and Dick Allen point out, baseball's retired numbers are multiplying
Roy Halladay keeps inspiring Canadian pitchers
Roy Halladay dies at 40: The world of baseball reacts on Twitter – The Denver Post
Hall of Famer Roy Halladay a one of a kind starting pitcher
Roy Halladay Will Have Jersey Retired by Phillies