History of the Uniform: Michigan and Georgia - UGA Alumni
Alternates – The Ohio State Uniform Database
10 true freshmen who should see playing time for Michigan football this season
Penn State 'Generations of Greatness' Uniforms — UNISWAG
Heritage Uniforms and Jerseys and Stadiums - NFL, MLB, NHL, NBA, NCAA, US Colleges: University of Michigan Football Uniform and Team History
University of Michigan Athletics -- Uniforms, 1900-2000
Michigan Football - ⚪️🔵 #GoBlue
Michigan State Football Jersey & Helmet History
Men's Michigan Wolverines #60 Drake Nugent Football Jersey – The Jersey Locker
Michigan's football helmet has made some significant changes since the end of the Carr era, and I believe it's currently at its peak; a brief recent history (in comments)- : r/MichiganWolverines
Ranking Michigan's 7 weirdest alternate uniforms, now with way more yellow
Michigan State Football: Top 5 Spartan uniforms of all time