Mets Grab Hold of the Series - The New York Times
Mets to retire Jerry Koosman's No. 36 in June - Newsday
Jerry Koosman's number retirement, 08/28/2021
Jerry Koosman: NY Mets legend on jersey retirement, World Series
Mets Announce Plans to Retire Jerry Koosman's Uniform #36
April 23, 1969: Jerry Koosman gets his first win in Mets' miracle
Jerry Koosman's No. 36 retired by Mets
Jerry Koosman's Mets number retirement is finally here
Mets retiring No. 36 of ex-pitcher Koosman in '20 - ESPN
Mets Grab Hold of the Series - The New York Times
New York Mets Signed 1969 World Series Champions 11x14 Photo