MSU Athletics Hall of Famer George Perles Passes Away - Michigan
George Perles, former Michigan State football coach: 1934-2020
Bill Belichick and Nick Saban's Friendship - Sports Illustrated
Pittsburgh Steelers - Wikiwand
George Perles, coach of Steelers famed 'Steel Curtain, dies at 85
Former Michigan State Football HC George Perles dies at 85 years old
Seven defining moments of George Perles' tenure at Michigan State
Steel Curtain coach George Perles dies at 85 - NBC Sports
George Perles, longtime Michigan State coach, dies at 85
Michigan State Legend George Perles Dies At 85 - CBS Detroit
George Perles, former Michigan State football coach: 1934-2020
Seven defining moments of George Perles' tenure at Michigan State
Former Michigan State football coach George Perles dies at 85