Evolutionism
edithttp://www.britannica.com/EBchecked/topic/146165/cultural-anthropology/38785/Evolutionism
Slaughterhouse
edithttp://www.fao.org/WAIRDOCS/LEAD/X6114E/x6114e04.htm
http://www.foodtechinfo.com/FoodPro/FacilityTypes/311613_Rendering_and_Meat_By-Products.htm