[en] [Gutenberg 646] • The Coral Island: A Tale of the Pacific Ocean 1 Wildside Press
[en] [Gutenberg 7124] • The Coral Island: A Tale of the Pacific Ocean 2 Wildside Press
[en] [Gutenberg 36615] • The Life of a Celebrated Buccaneer / A Page of Past History for the Use of the Children of To-day Createspace Independent Publishing Platform
[en] Nature's Warnings · Classic Stories of Eco-Science Fiction (British Library Science Fiction Classics Book 15) British Library Publishing
[es] [Gutenberg 50430] • Historia natural y moral de las Indias (vol 2 of 2) Fondo De Cultura Economica USA
[en] Nature's Warnings: Classic Stories of Eco-Science Fiction (British Library Science Fiction Classics Book 15) British Library Publishing
[en] Wild Himalaya · A Natural History of the Greatest Mountain Range on Earth Aleph Book Company