Equal Justice Initiative (https://eji.org/racial-justice) with noted author Bryan Stevenson (Just Mercy,) provides helpful information about racial injustices, along with information about The National Memorial for Peace and Justice in Montgomery, Alabama
Minnesota Historical Society: helpful information about three African-Americans who were lynched in Duluth, Minnesota: Duluth Lynchings
Network Lobby for Catholic Social Justice: Resources on Acknowledging Systemic Racism and Unpacking Whiteness
The New York Times Magazine’s 1619 Project (pdf here). Additional curriculum resources related to the project from the Pulitzer Center here.