Release Dates
| USA | 12 September 1959 | |
| Sweden | 23 July 1960 | |
| Portugal | 1962 | |
| West Germany | 13 October 1962 | |
| Netherlands | 24 October 1963 | |
| France | 6 January 1965 |
Also Known As (AKA)
| France (recut version) | Les clairons du Pony Express |
| Sweden | Bröderna Cartwright |
| USA (rerun title) | Ponderosa |
| USA (recut version) | Ride the Wind |