1928 Babe Ruth Single Signed Baseball. Baseball Collectibles, Lot #50002
Sports Collectors Digest
Important July 14, 1920 Babe Ruth Autographed and Inscribed Baseball Attributed to 28th Home Run (Lefty O'Doul Provenance)
Babe Ruth-Al Capone Signed Baseball Could Top $200,000
George Sosnak Dedicated a Baseball to Grantland Rice and the 1921 World Series. It Could Achieve $7,000 at SCP Auctions - The Hot Bid
RR Auction's Monthly Autograph Auction: June by RR Auction - Issuu
The Wolf(f) of sports memorabilia: How a man turned a hobby into a dream career
A championship ring, circa 1910, owned by Christy Mathewson is on bid - Antique Trader
Babe Ruth items dominate Memory Lane auction - Sports Collectors Digest
Inside Dennis Schrader's World Record Autographed Baseball Collection