Ranking NFL's current throwback jerseys: Eagles' perfect 'Kelly Green'; high marks for Patriots, 49ers
First look: Packers model 50s Classic Uniforms
Green Bay Packers to wear alternate uniforms vs New York Jets in Week 6 - Acme Packing Company
Packers introduce history-inspired alternate uniform
The Packers Need Better Alternate Uniforms - Gridiron Heroics
The Packers are overdue for the next slight uniform refresh. It's time to bring back grey facemasks (other historic teams like the 49ers and Colts use them, so the most historic team
If the Steelers wear a throwback/alternate jersey, what should it be? - Behind the Steel Curtain
The Packers Have Worn a Ton of Uniforms in the Last 30 Years
Eagles' kelly green throwback uniforms can return thanks to NFL alternate helmet rule change
Tracking all the new NFL uniforms and helmets for the 2022 season - ESPN