Photo gallery of 49ers new throwback alternate uniforms for 2018 - Niners Nation
NFL Uniforms (Updated 2023): Colts, Jets, Broncos, Eagles, and More Changes Coming
49ers unveil new uniforms with an old look
49ers Unveil Classic Updates to Standard Home and Away Uniforms
Photo gallery of 49ers new throwback alternate uniforms for 2018 - Niners Nation
Uni Watch: Best Throwback Uniforms Yet to Be Revived - InsideHook
Tennessee Titans unveil 'Oilers' throwback uniforms
NFL throwback uniforms: Long process is worth the wait as league encourages teams to unveil old-school look
Ranking the current alternate uniforms of every NFL team
With the NFL one helmet rule coming to an end, I'd love to see the Cowboys update their jerseys, plus add the throwback. : r/cowboys
Indianapolis Colts Unveil Throwback Jerseys for November 28 Game
Golden State Warriors unveil jerseys for 2019-20 season
Uni Watch's Friday Flashback -- Why San Francisco 49ers' 1991 helmet redesign was historic failure - ESPN
San Francisco 49ers - Wikipedia