Steffi Graf's 1988 ranked as best season ever, Roger Federer's 2006 at No. 7
THE SEOUL OLYMPICS: TENNIS; Graf Adds Gold to Her Grand '88 Record - The New York Times
/cdn.vox-cdn.com/uploads/chorus_asset/file/16304763/golden.jpg "Steffi Graf's almost-perfect 1988 French Open Final was pretty much impossible - SBNation.com")
Steffi Graf's almost-perfect 1988 French Open Final was pretty much impossible - SBNation.com
Sports Illustrated Sept 19 1988 Steffi Graf at U.S. Open at Amazon's Entertainment Collectibles Store
Steffi Graf's 1988 Golden Slam – an unprecedented achievement - Olympic News
Amazon.com: Outstanding Sportsman's Biography - Steffi Graf eBook : Ileen Bear: Kindle Store
Greatest Seasons: Steffi Graf 1988 - VAVEL USA
Steffi Graf | The German Way & More
Sports Great Steffi Graf (Sports Great Books): Knapp, Ron: 9780894905971: Amazon.com: Books
Steffi Graf (Scu-2): Monroe, Judy: 9780896863682: Amazon.com: Books
Amazon.com: 1988 Us Open : U.S. Open Tennis, Steffi Graf, Andre Agassi, Jimmy Connors, Mats Wilander: Movies & TV
Outstanding Sportsman's Biography: Steffi Graf: Bear, Ileen: 9789387513273: Amazon.com: Books
Greatest Seasons: Steffi Graf 1988 - VAVEL USA
Steffi Graf's 1988 Golden Slam – an unprecedented achievement - Olympic News
Steffi Graf. Aufschlag zum Erfolg. Ein Traum hat sich erfüllt: 9783773553553: Amazon.com: Books
Greatest Seasons: Steffi Graf 1988 - VAVEL USA
Steffi Graf - 1988. The Grand Slam year - West Germany
Sports Illustrated Sept 19 1988 Steffi Graf at U.S. Open at Amazon's Entertainment Collectibles Store
Steffi Graf Biography
SI: Sports Illustrated September 19, 1988 Steffi Graf, Tennis, VERY GOOD | eBay
SEPTEMBER 19, 1988 SPORTS ILLUSTRATED FEATURING STEFFI GRAF *SHE'S GRAND! *MAKES HISTORY AT U.S. OPEN* at Amazon's Sports Collectibles Store
October 1, 1988: Steffi Graf wins Olympic gold for an amazing achievement
The three greatest seasons by a player in tennis history - Page 4
:no_upscale()/cdn.vox-cdn.com/uploads/chorus_image/image/63965938/Steffi_Graf_French_Open.0.jpg "Steffi Graf's almost-perfect 1988 French Open Final was pretty much impossible - SBNation.com")