The Life and Times of Hattusili III and Tuthaliya IV: Proceedings of a Symposium held in honour of J. de Roos, 12-13 December 2003, Leiden
The Naturalist on the River Amazon: A Record of Adventures, Habits of Animals, Sketches of Brazilian and Indian Life, and Aspects of Nature under the Equator, during Eleven Years of Travel
The Naturalist on the River Amazon: A Record of Adventures, Habits of Animals, Sketches of Brazilian and Indian Life, and Aspects of Nature under the Equator, during Eleven Years of Travel
Self-Discipline: A Guide to Taking Control of Your Mind, Your Time and Your Life