Look: Detroit Lions reveal new alternate helmet with retro logo
Fixing the Detroit Lions uniforms - Pride Of Detroit
The Gridiron Uniform Database
The evolution of the Detroit Lions uniform
TBT: Lions uniforms through the years
Detroit Lions, History & Notable Players
Detroit Lions Uniform Home Uniform (2009-2011) - Silver helmet
Lions Throwback Uniforms — UNISWAG
Throwback Concept (not mine) : r/detroitlions