On the Border Territory Between the Animal and the Vegetable Kingdoms


 * Huxley, Thomas Henry (1876), "On the Border Territory Between the Animal and the Vegetable Kingdoms" in Macmillan's Magazine 33: 373-84.
 * Thomas Henry Huxley (1888), "On the Border Territory Between the Animal and the Vegetable Kingdoms in Science and Culture, and Other Essays.
 * Huxley, Thomas Henry (1894), "On the Border Territory Between the Animal and the Vegetable Kingdoms in Discourses Biological and Geological.
 * Thomas Henry Huxley (1888), "On the Border Territory Between the Animal and the Vegetable Kingdoms in Science and Culture, and Other Essays.
 * Huxley, Thomas Henry (1894), "On the Border Territory Between the Animal and the Vegetable Kingdoms in Discourses Biological and Geological.