1. The geological evidences of the antiquity of man: with remarks on theories of the origin of species by variation Author(s): Lyell, Charles, Sir, 1797-1875, author Publication: Philadelphia : J.B. Lippincott & Co., 1871 Subject(s): PaleontologyGeological PhenomenaBiological Evolution
2. A discourse on the revolutions of the surface of the globe, and the changes thereby produced in the animal kingdom Author(s): Cuvier, Georges, baron, 1769-1832 Publication: Philadelphia : Carey & Lea, 1831 Subject(s): Geological PhenomenaPaleontology