History of rackets: Why Roger Federer, others switch racket sizes - Sports Illustrated
The History of Tennis timeline | Timetoast timelines
1967: Wilson T-2000 Racquet Debuts
A Brand History: Wilson – Merchant of Tennis – Canada's Experts
The history of tennis racquets and Roger's new weapon - TrollTennis
The history of the tennis racquet. Left to right. 1910 Wright & Ditson, 1950's Wilson Jack Kramer, 1970's Wilson T2000, 1980 … | Tennis racquet, Tennis life, Tennis