1966 USAC Championship Cars Langhorne 100 - (ESPN "The Glory Days of Motorsports")
1966 USAC Langhorne 100
1964 USAC Champ Car Langhorne 100 at Langhorne Speedway
1965 USAC Champ Car Langhorne 100 at Langhorne Speedway
1966 USAC Champ Cars - DuQuoin
1975 USAC Championship Cars California 500 At Ontario Motor Speedway - (Car and Track)
1963 Langehorne- USAC CHAMP CAR TRAIL
This Is Why IndyCar Does Not Race at Daytona
1966 USAC Indy Car Bobby Ball Memorial - Phoenix International Raceway - No sound
1960 Langhorne - USAC Sprints
The Dark History of NASCAR's Most Dangerous Track - Langhorne Speedway
Langhorne Speedway Modifieds 1966
USAC Midgets at Langhorne, 1958
1964 Hoosier Hundred
USAC Champ Cars @ Trenton 9/25/60
Langhorne Speedway Pennsylvania
USAC's History in Florida
rfin098 USAC Champ Car Arnie Knepper wrecks during practice at Atlanta USA 1966
Golden State 100 USAC Big Cars 1970
