A Punishing System National Museum of African American History & Culture.

Defining Freedom National Museum of African American History and Culture

A People's Journey, A Nation's Story National Museum of African American History and Culture

Segregated railcar, prison tower anchor Smithsonian black history collection

African Americans and the Railroad - Great Smoky Mountains National Park (U.S. National Park Service)

An Indigenous Abolitionist Study Guide - Yellowhead Institute

Meet the mummies you've never heard of

African-American history - Wikipedia

American Capitalism Is Brutal. You Can Trace That to the Plantation. - The New York Times

Ancient Egyptian Law - World History Encyclopedia