Travels on the Amazon and Rio Negro, with an account of the native tribes, and observations on the climate, geology, and natural history of the Amazon valley by Wallace, Alfred Russel 1823-1913

Walden by Thoreau, Henry David 1817-1862

Bosquejo geografico e historico-natural del archipielago Filipino Publicado de real orden en vista del favorable informe de la Real academic de ciencias exactos, fisicas y nautrale... by Jordana y Morera, Ramon

Bulletin of the American museum of natural history.

The Malay archipelago, the land of the orang-utan and the bird of paradise a narrative of travel, with studies of man and nature by Wallace, Alfred Russel 1823-1913

Die Philippinen und ihre bewohner. Sechs skizzen by Semper, Karl Gottfried 1832-1893

Get full text
(viewed 31 May 2019)

Explorations and adventures in equatorial Africa with accounts of the manners and customs of the people, and of the chase of the gorilla, the crocodile, leopard, elephant, hippopot... by Du Chaillu, Paul Belloni 1831-1903

Discoveries in Australia with an account of the coasts and rivers explored and surveyed during the voyage of H. M. S. Beagle, in the years 1837 - 1843, by command of the Lords Comm... by Stokes, John Lort 1812-1885

The history of Arabia ancient and modern by Crichton, Andrew 1790-1855

Wanderings in New South Wales, Batavia, Pedir Coast, Singapore, and China being the journal of naturalist in those countries, during 1832, 1833, and 1834