Barlet, Olivier and Blanchard, Pascal, "Le retour des zoos humains", abridged in "Les zoos humains sont-ils de retour?", Le Monde, June 28, 2005. (French)
宮武, 公夫「博覧会の記憶 : 1904年セントルイス博覧会とアイヌ」(PDF)『北海道大学文学研究科紀要 = The Annual Report on Cultural Science』第118巻、北海道大学文学研究科= The Faculty of Letters, Hokkaido University、Feb 28 2006、pp.45-93。
The Voyage of Hanno According to what I have been told, the natives of the Gulf of Guinea used to tell that the anthropoidal apes really are humans who pretend not to be able to speak, lest the white man put them to work. (Internet Archive)