Kant

https://www.amazon.com/Kant-Concept-Race-Eighteenth-Century-Philosophy/dp/1438443625/ref=sr_1_1?ie=UTF8&qid=1487201448&sr=8-1&keywords=kant+races

https://aeon.co/ideas/why-the-nazis-studied-american-race-laws-for-inspiration??utm_term=whitepower1488&utm_campaign=whitepower1488&utm_content=whitepower1488&utm_medium=whitepower1488&utm_source=whitepower1488

http://faithandheritage.com/2017/02/the-reformation-and-race-part-i-john-hus-czech-nationalist/