These are from Boston photographer Leslie Jones.
Brockton Fair, showgirls doing gymnastics, 1938
Brockton Fair, showgirls, 1938
Circus aerialist on the high wire, 1948
Circus clowns and showgirls, 1948
Circus comes to town, 1935
Circus or fair
Clown and circus queen in speedster
Elephants arriving at railroad yards in Charlestown for circus, 1939
Elephants visit South Boston when circus comes to town, 1928
Man shot out of a gun at Topsfield Fair, September 1934
Stunt rider, Brockton Fair, 1938
[another entry in the "coolest vintage photo" contest]
Courtesy of the Boston Public Library, Leslie Jones Collection