Report of the Joint Select Committee to Inquire into the Condition of Affairs in the Late Insurrectionary States (1872), the "Ku Klux Report," 13 vols

SUMMARYReport of the Joint Select Committee to Inquire into the Condition of Affairs in the Late Insurrectionary States (1872), the "Ku Klux Report," 13 vols.
What it shows: Congress's own sworn testimony on Klan violence, including school burnings and attacks on teachers. Wilson draws on this.
Where: shown via US Capitol Visitor Center artifact page; full text on HathiTrust and Library of Congress.
Proof level: Record (primary sworn testimony). Pull the Mississippi volumes (11-12) for Pontotoc and Monroe County pages.