https://www.theguardian.com/books/2017/jul/07/colson-whitehead-underground-railroad
Guardian Interview with Colson Whitehead
https://www.nationalbook.org/books/the-underground-railroad/
National Book Foundation Site for Underground Railroad
Monroe Work Today
http://www.monroeworktoday.org/
A historical site detailing the lynching murders of many Black people in the nineteenth and twentieth centuries.