NFL Data from 1978 to 2023, in CSV format.
- History of team names in the NFL from 1978 to 2022. 1
- Every NFL game starting from the 1978 season to 2023. 2
- https://en.wikipedia.org/wiki/Timeline_of_the_National_Football_League accessed on 09/13/2022
- https://www.footballdb.com/ accessed on 12/26/2023