List of defunct NHL teams, Ice Hockey Wiki
Origins of Every NHL Team: Eastern Conference
Pittsburgh Pirates (NHL), Ice Hockey Wiki
All-time NHL team performance list, Ice Hockey Wiki
World Hockey Association - Wikiwand
National Hockey League, Ice Hockey Wiki
File:National Hockey League team locations.PNG - Wikimedia Commons
What NHL teams no longer exist? List of hockey teams that
Stockton Thunder - Wikiwand
List of defunct and relocated National Hockey League teams - Wikiwand
National Hockey League - Wikipedia
National Hockey League - International Hockey Wiki
Western States Hockey League, Ice Hockey Wiki
NHL Teams That Have Come and Gone