1889-1902. I. Biologia Centrali-Americana; or Contributions to the Knowledge of the Fauna and Flora of Mexico and Central America. Archæology, vols. 1-4. London, 1889-1902.
1820. I. Travels in Brazil in the years 1815, 1816, 1817. London, 1820.
1843. I. Travels in the Interior of North America. Translated by H. Evans Lloyd. London, 1843.
1910. I. The Old North Trail, or Life, Legends and Religion of the Blackfoot Indians. London, 1910.
1897. I. The Siouan Indians (Fifteenth Annual Report, Bureau of American Ethnology, Washington, 1897).
1899. I. Pipes and Smoking Customs of the American Aborigines (Report, United States National Museum for 1897, Washington, 1899).
1903. I. The Musical Instruments of the Incas (Guide Leaflet, American Museum of Natural History, no. 11, New York, 1903).
1906. I. The Six-Unit Design in Ancient Peruvian Cloth (Boas Anniversary Volume, New York, 1906).
1907. I. Technique of some South American Feather-work (Anthropological Papers, American Museum of Natural History, vol. 1, part 1, New York, 1907).
1915. I. Prehistoric Bronze in South America (Anthropological Papers, American Museum of Natural History, vol. 12, part 2, New York, 1915).
1916. I. Conventionalized Figures in Ancient Peruvian Art (Anthropological Papers, American Museum of Natural History, vol. 12, part 5, New York, 1916).
1916. I. Some Objections to Mr. Elliot Smith's Theory (Science, N.S. vol. 44, pp. 533-534. October 13, 1916).
1905. I. The Indian Population of California (American Anthropologist, N. S. vol. 7, pp. 596-606, Lancaster, 1905).
1914. I. Preliminary Report on the Discovery of Human Remains in an Asphalt Deposit at Rancho La Brea (Science, N. S. vol. 40, pp. 198-203, August, 1914).
1898. I. Bows and Arrows in Central Brazil (Annual Report, Smithsonian Institution, 1896, Washington, 1898).
