CMG Worldwide - Christy Mathewson: Career summary, photographs, biographical information, and quotes by and about Christy Mathewson.
CNN/SI - Christy Mathewson: Profile and career statistics.
National Baseball Hall of Fame: Christy Mathewson: Brief biography and photo.
Rain Delay Central - Christy Mathewson: Contains contemporary magazine articles written by and about Christy Mathewson.