Ancient African History

http://earlyworldhistory.blogspot.com/2012/02/nubia.html

https://afriperspectives.com/2013/02/01/timbuktu/

http://www.ancientegyptianfacts.com/ancient-egyptian-economy.html

https://www.amazon.com/Ancient-Nubia-African-Kingdoms-Nile/dp/9774164784

http://kentakepage.com/protecting-black-history/