Phillies retiring Roy Halladay's No. 34 for the 2018 season
Phillies retire Halladay's No. 34 in style, complete sweep of Mets – The Morning Call
Cole Hamels talks Roy Halladay, what it was like to watch Yu Darvish's World Series struggles
Phillies to retire Roy Halladay's No. 34 on perfect game anniversary – The Denver Post
As cases for Roy Halladay and Dick Allen point out, baseball's retired numbers are multiplying
Remembering Roy Halladay
Roy Halladay's number 34 to be retired: Phillies to honor Doc this spring - 6abc Philadelphia
Phillies To Retire Roy Halladay's No. 34 On 10th Anniversary Of Perfect Game - CBS Philadelphia
The story behind the Phillies' longstanding rule on retired numbers: Will they ever change it for 6, 11 and 26? - The Athletic
Lot Detail - 2011 Roy Halladay Game Used and Signed Philadelphia Phillies Road Jersey Worn on August 3, 2011 vs Colorado Rockies for Career Win #183 (MLB Authenticated & PSA/DNA)
Roy Halladay throws perfect game, beats Marlins 1-0 - Washington Times