49ers 27-6 Redskins (Nov 25, 2013) Game Recap - ESPN
Redskins 13-17 49ers (Nov 23, 2014) Game Recap - ESPN
Richard Sherman on field conditions for Redskins-49ers game: 'That's as bad as I've seen' - The Washington Post
Robert griffin iii washington redskins hi-res stock photography and images - Page 4 - Alamy
Washington Redskins/San Francisco 49ers NFL recap on ESPN
NFL Week 1 Power Rankings: The 49ers Are the Best Team in the League - Sports Illustrated
Super Bowl XVII: Riggins runs Redskins to 27-17 win – New York Daily News
49ers' Fred Warner on Brock Purdy's playoff debut: 'He's the reason we have a chance at the whole thing'