Pro Football Journal: March 2020
Shop Stephen Fossler Company Seals, Anniversary Seals
San Francisco 49ers Unveil 75th Anniversary Logo – SportsLogos.Net
Logos and uniforms of the Chicago Bears - Wikipedia
C.J. Stroud Waiting For Next Year
San Francisco 49ers Anniversary Logo - National Football League
Top 25 Sports Team Logos from the '70s, Sutter Group