NFL throwback uniforms: Long process is worth the wait as league encourages teams to unveil old-school look
From Kezar to Levi's: a history of the San Francisco 49ers - San Francisco Chronicle
49ers to wear 1994 throwback uniforms in Week 7 – KNBR
How Kyle Shanahan and the San Francisco 49ers have weaponized the team's history - ESPN
NFL denying throwbacks for 49ers in Super Bowl was best decision
49ers want to wear all-white throwback uniform in Super Bowl, NFL reportedly hasn't allowed it yet
San Francisco 49ers - Wikipedia
49ers uniforms: All white throwback jerseys come out vs. Panthers
49ers' George Kittle trolls Cowboys with 'F--k Dallas' shirt
Ranking the current alternate uniforms of every NFL team
Inside the 49ers: Top 10 offseason recap, from hunting Garoppolo's successor to seeing Shanahan's rooftop throw – Daily Democrat
Does every NFL team have a white and dark uniform? Why do some NFL teams only wear white at home? - Quora
49ers Ask NFL For Permission To Wear All-White Throwback Uniforms In Super Bowl