Time and Life - Mr. Darwin's "Origin of Species"
Thomas Henry HuxleyBirds and Bees, Sharp Eyes, and Other Papers
John BurroughsWild Animals I Have Known
Ernest ThompsonThe Origin of Species by Means of Natural Selection
Charles DarwinThe History of Sumatra
William MarsdenConservation Reader
Harold W. FairbanksThe Wonders of the Jungle, Book One
Prince Sarath Ghosh