Wikipedia
Lynching in the United States
Video
The Origins of Lynching Culture in the United States
Terror Lynching in America
Further Reading
History of Lynchings (NAACP)
How white Americans used lynchings to terrorize and control black people (Guardian)
Lynching in America (PBS)
How the South Memorializes — and Forgets — Its History of Lynching (TIME)
The sadism of white men Why America must atone for its lynchings (Guardian)