TIMELINE: Colin Kaepernick's journey from SF 49ers star to kneeling to protest police brutality, racial injustice - ABC7 San Francisco
NFL national anthem protest: List of players who have kneeled - Sports Illustrated
Colin Kaepernick Takes a Knee in Continued National Anthem Protest
The Kaepernick Effect: Protests, Across the NFL and Beyond, in Response to Trump - The Atlantic
Colin Kaepernick says he'll 'continue to sit' during national anthem
The N.F.L.'s Change of Tone, and the Limits of Merely Listening
Colin Kaepernick's rise from quarterback to social activist: a timeline — Andscape
Former 49ers QB Colin Kaepernick files grievance against NFL over alleged collusion - ABC News
Colin Kaepernick's Protest: One Month Later – Rolling Stone
Everything you need to know about NFL protests during the national anthem
Now that NFL supports Colin Kaepernick's fight, what's next
Four Years After Colin Kaepernick's First Protest NBA Players Are Taking a Stand