Bobby Walthour: Life in the Slipstream 
Walthour and Gussie Lawson, 1904. Photo from Buck Peacock Collection
Walthour, 1901. Photos from Peacock Collection
At the start of one of Walthour's first European races on April 10, 1904
Photo from Renate Franz collection
Franz Hoffman pacing Walthour, Circa 1905
Walthour, Circa 1902
Left to right: Andrew Homan, Bob Walthour III and Bobby Walthour IV
Walthour and Munroe: Winning team at Madison Square Garden Six-Day, December 1903
1905 World Championship-Belgium (Walthour at far left behind Gus Lawson) Photo from Andrew Ritchie collection