Below are the links and references Rabbi Dan mentioned in the 6/13/20 Shabbat Service Sermon.
Source Material Black Lives Matter
The New Jim Crow: Mass Incarceration in the Age of Colorblindness, by Michelle Alexander
Between the World and Me, by Ta-Nehasi Coates.
Rabbi Jonah Pesner, Ways Reform Jews Can Act Now Racial Justice: https://reformjudaism.org/blog/2020/06/03/ways-reform-jews-can-act-now-racial-justice
Believe Us: Black Jews Respond to George Floyd Protests: https://www.timesofisrael.com/believe-us-black-jews-respond-to-george-floyd-protests-in-their-own-words/