This Day In Hockey History-April 3, 1973-Derek Sanderson Returns
Bobby Orr, incredible!!!
1976 bobby orr Team Canada goal
Bobby Orr's Landmark Season
This Day in Hockey History – October 28, 1978 – The End of Orr
NHL 100: Gretzky trade, Orr goal among most memorable
The Hockey News December 3, 1976 (Digital)
OBF: Cup or bust for Bruins now – Boston Herald
Life after Orr – Boston Herald
NHL 1970-79
Today in Hockey History: Feb. 1
How Bruins can set NHL records for wins, points in a season
Greatest NHL duos Ever : r/hockey
With Bruins on a record-setting pace, we should embrace the moment