A Brief History of the NHL-WHA Merger - Pure Hockey

The duel for dominance between the established National Hockey League (NHL) and the upstart World Hockey Association (WHA) lasted seven tumultuous seasons

Pure Hockey Announces Rebranding Of Total Hockey & HockeyGiant Stores

The Great One Arrives: Wayne Gretzky's NHL - BNN Breaking

What team would have drafted Wayne Gretzky if he hadn't signed

The merger that changed the history of the NHL forever

Hockey Shootouts Explained - Pure Hockey

Amazing Facts on the Merger of the WHA and the NHL

The 10 most hyped prospects in NHL history - Daily Faceoff

Hartford Whalers Dynasty: Brass Bonanza - OOTP Developments Forums

NHL teams OK adding four WHA franchises, including Edmonton Oilers

As the NHL celebrates 100 years, look back at NHL history by the

The Decline of Fighting in the NHL - Pure Hockey

NHL teams OK adding four WHA franchises, including Edmonton Oilers

History of the National Hockey League (1917–1942) - Wikipedia