有声读物类型 : Nature
The Seven Follies of Science
John Phin
National Geographic Magazine Vol. 01 No. 1.
Various
The Natural History, volume 2
Pliny the Elder
The Vegetable Garden: A Manual for the Amateur Vegetable Gardener
Ida Dandridge Bennett
The Art of Travel
Sir Francis Galton
Indian Summer
William Dean Howells
Die Entstehung der Kontinente und Ozeane
Alfred Wegener
On Generation and Corruption
Aristotle
Inca Lands
Hiram Bingham
Opticks
Isaac Newton
On the Heavens
Aristotle
A Florida Sketch-Book
Bradford Torrey