Frankford Yellow Jackets - Football - Sticker
Frankford Yellow Jackets - 1926 NFL Standings
Pro Football NFL teams that came and went - ESPN
List of Last Undefeated NFL Teams by Year
8 Defunct NFL Teams With Unusual Histories
The Pittsburgh Pirates of the NFL: a history on the Browns' Week 8
Image
Frankford Yellow Jackets, Pro Sports Teams Wiki
Philadelphia Yellow Jackets - Wikipedia
Who won the NFL championship the year you were born?
How the Philadelphia Yellow Jackets became the Philadelphia Eagles
Frankford Yellow Jackets: 1926 NFL Champs
Did you know Pottsville had an NFL team?
The History of the Frankford Yellow Jackets - Philly's First NFL
Frankford Yellow Jackets - 1926 Season Recap