In 1973, new fashion for baseball umpires was strictly a judgment call - The Boston Globe

Fleer – SABR's Baseball Cards Research Committee

Memoir – Sandor Slomovits

Are there different umpires for the American and National League? - Quora

Controversial postseason pitching decisions

Thanks - San Fernando Valley Baseball Umpires Association

Baseball For The Utterly Confused PDF, PDF, Baseball Field

IPFW www.IndianaRBI.com

Study -- Young umps top older peers on calls - ESPN

John Roberts - Wikipedia

Referee Magazine - August 2022 by Referee Magazine - Issuu

MLB's All-Star fashion statement struck out looking - The Boston Globe

I'm Not A Headline Guy Sports ramblings…with a Yankees bias!

Yankees 'Overnight Babe Ruth' Shocks New York With Favorite Meal

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