Select specimens of natural history, collected in travels to discover the source of the Nile, in Egypt, Arabia, Abyssinia, and Nubia : Vol. V

Mode of access: Internet.

Wanderings in South America, the North-West of the United States, and the Antilles, in the years 1812, 1816, 1820, & 1824 : with original instructions for the perfect preservation of birds, &c. for Cabinets of Natural History /

Sabin,

Darwinism: an exposition of the theory of natural selection, with some of its applications.

Mode of access: Internet.