1. The doctrine of the unity of the human race examined on the principles of science Author(s): Bachman, John, 1790-1874 Publication: Charleston, S.C. : C. Canning, 1850 Subject(s): Biological EvolutionContinental Population GroupsReligion and Science
2. Thoughts on the original unity of the human race Author(s): Caldwell, Charles, 1772-1853 Publication: Cincinnati : J.A. & U.P. James, 1852 Subject(s): Continental Population GroupsBiological EvolutionReligion and Science