LEFTY GROVE: A baseball immortal comes to the Valley
Expert poring over long-lost Philadelphia A's records
Sports - 1929 Philadelphia Athletics (Any Medium): Doyle Collection Set Image Gallery
Demographics may doom the Philadelphia Athletics Historical Society
Lefty Leaves the League - BallNine
Connie Mack - Wikipedia
LEFTY GROVE, Baseball Immortal « Hot Springs Arkansas Historic Baseball Trail
Games People Play: “Baseball Magazine,” October 1929 -The Homestead Blog
Jimmie Foxx and Al Simmons sign autographs - Baseball Egg
Aging Mack retires after half-century of greatness
Athletics Hall of Fame