“Proponents of polygenesis hold that the concept of genetic relatedness between languages is inaccurate.”

“The Southern opponents of polygenesis even employed many of the same arguments and sources used by abolitionists to attack white prejudice.”

“David Hume's position on the debate between polygenesis versus monogenesis is the subject of some scholarly debate.”

“Presentations such as those in the Natural History of the Mammals provided fuel for the fire of polygeny.”

“White was a believer in polygeny, the idea that different races had been created separately.”

“See generally Stephen Jay Gould, American Polygeny and Craniometry Before Darwin.”