Philadelphia Phillies team ownership history – Society for American Baseball Research
SABR Convention History – Society for American Baseball Research
Phillies World Series home run reaction didn't register as an earthquake on Penn State seismometer
SABR Convention History – Society for American Baseball Research
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Phillies Fans Are Raucous, but They Didn't Move a Seismograph - The New York Times
No US-Born Black Players on Expected World Series Rosters
Philadelphia Phillies team ownership history – Society for American Baseball Research
SABR Convention History – Society for American Baseball Research
SABR Convention History – Society for American Baseball Research
The history of the MLBPA, part two: a swift decline - Beyond the Box Score
1964 Philadelphia Phillies essays – Society for American Baseball Research
Founding Members: The Cooperstown 16 – Society for American Baseball Research
Philadelphia Phillies World Series history in Inquirer photos
SABR Convention History – Society for American Baseball Research
Harper's HR Powers Phillies Past Padres, Into World Series