Remembering the Pittsburgh Pirates, the team that brought line changes to the NHL
Pittsburgh Pirates (NHL), Ice Hockey Wiki
Penguins Hockey History - PensBurgh
Pittsburgh Hockey History Timeline –
The original black and gold: Penguins 50
Timeline: The History of the Pittsburgh Penguins
1928-29 Pittsburgh Pirates (NHL) –
Penguins Damage Reputation During, After Loss To Flyers
Pittsburgh Pirates (NHL), Ice Hockey Wiki
Pittsburgh Penguins - Wikipedia