Madison Grant wykorzystując pozycję sekretarza New York Zoological Society wspierał tę akcję.

Prace Książki The Caribou, Office of the New York Zoological Society, 1902. "Moose," Report of the Forest, Fish, Game Commission, State of New York, 1903. The Origin and Relationship of the Large Mammals of North America, Office of the New York Zoological Society, 1904. The Rocky Mountain Goat, Office of the New York Zoological Society, 1905. The Passing of the Great Race; or, The Racial Basis of European History, New York, Charles Scribner's Sons, 1916. New ed., rev. and Amplified, with a New Preface by Henry Fairfield Osborn, Charles Scribner's Sons, 1918 Rev. ed., with a Documentary Supplement, and a Preface by Henry Fairfield Osborn, Charles Scribner's Sons, 1921. Fourth rev. ed., with a Documentary Supplement, and a Preface by Henry Fairfield Osborn, Charles Scribner's Sons, 1936. Saving the Redwoods; an Account of the Movement During 1919 to Preserve the Redwoods of California, Zoological Society, 1919. Early History of Glacier National Park, Montana, Washington, Govt. print. off., 1919. The Conquest of a Continent;