Hands On.: A Tale of Two Game 5's
Jerry Koosman's No. 36 retired by Mets
50 greatest Mets of all time - Newsday
Hands On.: A Tale of Two Game 5's
Jerry Koosman: Playoff Ace for NY Mets - Mets History
Mets retire Koosman's 36 five decades after '69 heroics - Seattle
Mets to Retire Jerry Koosman's Jersey - The New York Times
Baseball Roundtable - Page 6 of 101 - Baseball's like life-only better
Why the Mets need to retire numbers now – Mets360