nhl first expansion teams
nhl first expansion teams
1967 NHL Expansion | Ice Hockey Wiki 
NHL - The Expansion Years (1968-1979 
The next NHL expansion destination
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
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Second Six' took shape 50 years ago
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