The 51 Greatest Baseball Books of All Time
1969–1980 – SABR's Baseball Cards Research Committee
Coley Harvey Blog — Coley Harvey
Zisk Online: October 2011
The Last Commissioner, Book by Fay Vincent, Official Publisher Page
DIGMI
Elliott 2021 most influentials: Anthopoulos, Walker and Honourable Mentions — Canadian Baseball Network
Jay Jaffe's (creator of JAWS) HOF Ballot : r/baseball
April 30, 2019
Tony Clark's 'transformational year,' evolution as MLBPA leader brings 5-year extension - The Athletic