[de] [Gutenberg 24820] • Die Philippinen und ihre Bewohner / Sechs Skizzen Wentworth Press
[en] [Gutenberg 30931] • The Ethnology of the British Islands Public Domain Books
[en] [Gutenberg 3308] • The Bontoc Igorot Dodo Press
[es] [Gutenberg 15633] • Etimología de los Nombres de Razas de Filipinas Linkgua Ediciones
[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 50249] • Orkney and Shetland Folk 872-1350 Forgotten Books
[en] [Gutenberg 43510] • The Ethnology of Europe Trieste Publishing
[en] [Gutenberg 40290] • The Testimony of Tradition Theclassics.Us
[en] [Inverted Frontier 02] • Silver Mythic Island Press LLC
[en] An Old Babylonian Version of the Gilgamesh Epic Book Tree