1. The 1619 Project" by the New York Times Magazine was published in August of 2019, on the 400 th anniversary of slavery in America. It "aims to reframe the country's history by placing the consequences of slavery and the contributions of Black Americans at the very center of the U.S. national narrative;The 1619 Project (A2019) The New York Times
2. Sumer;Elisabeth Tetlow;The Ancient Near East. Women, Crime, and Punishment in Ancient Law and Society. 1. New York: A&C Black,2004
3. White Slavery: An American Paradox;Eric Williams;Slavery and Abolition,1944