Àwòko rẹ̀ tó kọ́ ní ọdún 1970, The ìṣe Theory of Colo-contation and Racism (White SupreCY), jẹ́ ìwé tó ṣe pàtàkì nípa ìtumọ̀ ìwà iṣẹ́ iṣẹ́ àwọn oyinbo.àwọn ìtọ́kasíàwọn ìkọwe ará Ameria alákitiyan ara Américo ará Afrika AMẸ́RÍKÀ.. 