The full story on how the Viking uniforms came to Minnesota - ESPN
Vikings Uniforms Through the Years
Minnesota Vikings rejected these uniform designs -- Uni Watch - ESPN
Pro Football Journal: 1964 Lions at Vikings—Purple over Purple
Minnesota Vikings on X: Icy Monday Night 🥶
Sixteen:Nine All Digital Signage, Some Snark
Minnesota - HELMET HISTORY
The Gridiron Uniform Database
Report: New Dolphins, Vikings uniforms leaked - NBC Sports
The Gridiron Uniform Database
Vikings unveil new-look uniforms - Superior Telegram
Vikings retro uniforms to debut Week 1 vs. Bucs