[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] [Gutenberg 29306] • Afloat on the Ohio / An Historical Pilgrimage of a Thousand Miles in a Skiff, from Redstone to Cairo Chicago : Way & Williams
[en] [Gutenberg 11746] • Through the Brazilian Wilderness Aegypan
[fi] [Gutenberg 14505] • Elämäni Suomalaisen Kirjallisuuden Seura
[en] [Gutenberg 41393] • The Confessions of a Collector Cornell University Library