Thể loại sách nói : Nature
Sea and the Jungle
Henry Major Tomlinson
Arroyo
Élisée Reclus
Mysteries of Bee-keeping Explained
Moses Quinby
Secrets of the Friendly Woods
Rex Brasher
Wild Pastures
Winthrop Packard
Bees, Shown to the Children
Ellison Hawks
Life Among the Butterflies
Vance Randolph
American Bee Journal, Vol. XXXIII, No. 4, Jan 1894
Various
Year with the Birds
W. Warde Fowler
Natural History Volume 7
Pliny the Elder
History of Animals
Aristotle
Sertões
Euclides da Cunha