Here's a comparison between the new uniforms and the old ones
Top 10 NHL Rookie Cards of the 1960s
Top Ten Philadelphia Flyers Of The Decade: 1960s-1970s
Not in Hall of Fame - Top 50 Philadelphia Flyers
Top Ten Philadelphia Flyers Of The Decade: 1960s-1970s - Page 3
1970s - Wikipedia
Joshua Ash relishing his role in creating the Flyers Throwback
The Greatest Philadelphia Flyers in Each Decade over the Last 50
Philadelphia Flyers' 2010s All-Decade Team
Vote: Best Philadelphia team ever bracket — play-in rounds
History of the National Hockey League (1967–1992) - Wikipedia
Philadelphia Flyers, History & Notable Players
Not in Hall of Fame - Top 50 Philadelphia Flyers
The Flyers' Goaltending Is Consistently Awful