‘They didn’t talk about it’: how a historian helped Tulsa confront the horror of its past https://www.theguardian.com/us-news/2021/may/30/tulsa-race-massacre-scott-ellsworth-historian?fbclid=IwAR020XK_zf7TXRQ5he1cWatpOxY_D5sQHIMfKN8K9gWBD2eKJOLOIF8GSiM