National Hockey League - Wikipedia
NHL divisions, dates, protocols and revenue: Rules for the 2020-21 season - The Athletic
NHL.com Media Site - News - 2021-22 NHL Season Preview
NHL announces 2021-22 Outdoor Games and locations of 2022 All-Star Game and Draft
NHL.com Media Site - News - NHL Morning Skate – Feb. 1, 2023
NHL announces 2021-22 Outdoor Games and locations of 2022 All-Star Game and Draft
NHL.com Media Site - News - 2021-22 NHL Season Preview
Sportsnet Announces 2022-23 National NHL Broadcast Schedule
NHL 2021-22 season schedule features Lightning, Kraken on opening night
The 30 key moments in Gary Bettman's 30 years in the NHL - ESPN