Jerry Koosman interview
Jerry Koosman Baseball Stats by Baseball Almanac
The Phillies Room: June 2020
Jerry Koosman: The Story Of One Mets Veteran - Metsmerized Online
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Jerry Grote: The Man Behind the Mask - Metsmerized Online
Twins beat Mets 5-2 with help of Álvarez's error in 3-run seventh inning - The San Diego Union-Tribune
Jerry Koosman with Zach Gelb
Jerry Koosman – Society for American Baseball Research
Out Of The Shadows: Jerry Koosman - Metsmerized Online
Ed Charles, Infield Sage of the Miracle Mets, Is Dead at 84 - The New York Times
New York Mets Jerry Koosman Interview (April 29, 1970)
Mets in 10s: Best and Worst of an Amazin' History (Sports): Wright, Brian, Koosman, Jerry: 9781467139687: : Books
