[en] [Gutenberg 2530] • The Malay Archipelago, Volume 1 / The Land of the Orang-utan and the Bird of Paradise; A Narrative of Travel, with Studies of Man and Nature Createspace Independent Publishing Platform
[en] [Wildlife Explorer Guides 02] • Japan · The Natural History of an Asian Archipelago Princeton University Press
[es] [Gutenberg 50430] • Historia natural y moral de las Indias (vol 2 of 2) Fondo De Cultura Economica USA
[en] Principal Writings on Religion · Including Dialogues Concerning Natural Religion and the Natural History of Religion Oxford University Press