European Leagues - Wikipedia

List of top-division football clubs in UEFA countries - Wikipedia

2021–22 UEFA Europa Conference League - Wikipedia

UEFA European Under-17 Championship - Wikipedia

European Cup and UEFA Champions League records and statistics - Wikipedia

2023 UEFA Nations League Finals - Wikipedia

2022-23 UEFA Women's Champions League - Wikipedia, PDF, Tournament

Europe's Most Competitive Football League — A Data Scientist's Answer, by John Adeojo

2023 UEFA Champions League final - Wikipedia

2022 UEFA Europa League final - Wikipedia

Premier League - Wikipedia