It is a pleasure to note the writings of sportsmen with inquiring minds and of scientists and artists who hunted. Three examples are: _The English Sportsman in the Western Prairies_, by the Hon. Grantley F. Berkeley, London, 1861; _Travels in the Interior of North America, 1833-1834_, by Maximilian, Prince of Wied (original edition, 1843), included in that "incomparable storehouse of buffalo lore from early eye-witnesses," _Early Western Travels_, edited by Reuben Gold Thwaites; George Catlin's _Letters and Notes on the Manners, Customs and Conditions of the North American Indians_, London, 1841. Three aspects of the buffalo stand out: the natural history of the great American animal; the interrelationship between Indian and buffalo; the white hunter--and exterminator. ALLEN, J. A. _The American Bison, Living and Extinct_, Cambridge, Mass., 1876. Reprinted in 9th Annual Report of the United States Geological and Geographical Survey, Washington, 1877. Basic and rich work, much of it appropriated by Hornaday. BRANCH, E. DOUGLAS. _The Hunting of the Buffalo_, New York, 1925. Interpretative as well as factual. OP. COOK, JOHN R. _The Border and the Buffalo_. Topeka, Kansas, 1907. Personal narrative. DIXON, OLIVE. _Billy Dixon_, Guthrie, Oklahoma, 1914; reprinted, Dallas, 1927. Bully autobiography; excellent on the buffalo hunter as a type. OP. DODGE, R. I. _The Plains of the Great West and Their Inhabitants_, New York, 1877. One of the best chapters of this source book is on the buffalo. GARRETSON, MARTIN S. _The American Bison_, New York Zoological Society, New York, 1938. Not thorough, but informing. Limited bibliography. OP. GRINNELL, GEORGE BIRD (1849-1938) may be classed next to J. A. Allen and W. T. Hornaday as historian of the buffalo. His primary sources were the buffaloed plains and the Plains Indians, whom he knew intimately. "In Buffalo Days" is a long and excellent essay by him in _American Big-Game Hunting_, edited by Theodore Roosevelt and George Bird Grinnell, New York, 1893. He has another long essay, "The Bison," in _Musk-Ox, Bison, Sheep and Goat_ by Caspar Whitney, George Bird Grinnell, and Owen Wister, New York, 1904. His noble and beautifully simple _When Buffalo Ran_, New Haven, 1920, is specific on work from a buffalo horse. Again in his noble two-volume work on _The Cheyenne Indians_ (1923) Grinnell is rich not only on the animal but on the Plains Indian relationship to it. All OP. HALEY, J. EVETTS. _Charles Goodnight, Cowman and Plainsman_, 1936. Goodnight killed and also helped save the buffalo. Haley has preserved his observations. HORNADAY, W. T. _Extermination of the American Bison_ (Smithsonian Reports for 1887, published in 1889, Part II). Hornaday was a good zoologist but inferior in research. INMAN, HENRY. _Buffalo Jones Forty Years of Adventure_, Topeka, Kansas, 1899. A book rich in observations as well as experience, though Jones was a poser. OP.