Jefferson further expounded on the Indians' ability to speak in his Notes on the State of Virginia: I may challenge the whole orations of Demosthenes and Cicero, and of many more prominent orators, if Europe has furnished any more eminent, to produce a single passage, superior to the speech of Logan, a Mingo chief, to Lord Dunmore when Governor of this State. ... In Notes, perhaps Jefferson's greatest scientific work, he listed the tribes with a fullness and precision that were uncommon of his era. ... William Apess, a Native American of mixed Pequot and white parentage who fought f...