Detroit Lions season tickets sell out
TBT: Lions uniforms through the years
Detroit Lions uniform and uniform color history
The Gridiron Uniform Database
Complete History of the Detroit Lions
Look: Detroit Lions reveal new alternate helmet with retro logo
Detroit Lions will reportedly have new alternate uniforms in 2016 – SportsLogos.Net News
Changes I would make to improve the Lions uniforms, also a throwback alt in slide 3. : r/detroitlions
The Story of the Detroit Lions (NFL Team Stories): Craig Ellenport: 9781645192282: : Books
TBT: Lions uniforms through the years
Uni Watch contest results -- How you would redesign the Detroit Lions - ESPN