nhl first expansion teams
nhl first expansion teams
From six teams to 31: History of NHL 
From six teams to 31: History of NHL 
National Hockey League. 1927-28 season 
NHL.com Media Site - News - Seattle 
1967 NHL Expansion
From six teams to 31: History of NHL 
organizational changes in the NHL 
1967 NHL expansion - Wikipedia
Flyers plan for 50th Anniversary 
From six teams to 31: History of NHL Worst First Seasons By NHL Expansion
Teams To Reach The Stanley Cup Final 
History of the National Hockey League 
Las Vegas expansion team nicknames
Second Six' took shape 50 years ago
Seattle Kraken is NHL expansion team 
Caps History: Washington Capitals 
Golden knights