Ni odun 1936, nigba to wa ni kilaasi to kan ko to pari iwe-ile re ni Denison (Iowa) , kemisitiri tisa re fun un ni How to Win Friends and Influence People.. 
jẹ́ ààrẹ orílẹ̀-èdè Eku2004 tẹ́lẹ̀pọ̀àwọn ààrẹ ilé Ekuaṣálẹ̀.. 