1876 to 1978 Amateur Open National Outdoor Championship locations:
1876 to 1878: Amateur Championship of America locations, but not under NAAA (Link)
1879 to 1888: NAAA Open Track and Field Championship locations (Link)
1888 to 1923: AAU Open Track and Field Outdoor Championship Locations: (Link)
1888 to 1978: refer to the AAU Open Track and Field Outdoor Championship Locations: (External Link)
Winners from Past Open Championships: (External Link: USATF Outdoor Champions)
220 Yard Hurdles at the Open Outdoor National Championship: (Link)
120 Yard / 110 Meter Sprint Hurdle (High Hurdle) Open National Champions 1876 to Present: (External Link)