In 1973, new fashion for baseball umpires was strictly a judgment call - The Boston Globe
MLB analysis: Willie Mays as a New York Met and the 1973 World Series - McCovey Chronicles
Referee Magazine - August 2022 by Referee Magazine - Issuu
Baseball For The Utterly Confused PDF, PDF, Baseball Field
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MLB's All-Star fashion statement struck out looking - The Boston Globe
Cs Program by vancanadians - Issuu
Upper Deck – SABR's Baseball Cards Research Committee
Peter Imber – pawnedaccordion
Oldtime Baseball Game brings uniforms out of mothballs - The Boston Globe
Referee Magazine - August 2022 by Referee Magazine - Issuu
Peter Dreier, Robert Elias - Baseball Rebels - The Players, People, and Social Movements That Shook Up The Game and Changed America-University of Nebraska Press (2022), PDF, American Civil War
MLB Umpires Missed 34,294 Ball-Strike Calls in 2018. Bring on Robo-umps?, Bostonia
1995–2010 – SABR's Baseball Cards Research Committee
Stay Home With SABR: 2020 Dispatches from the Boston Chapter – Society for American Baseball Research