Publication Details: Denver, Co, F.S. Thayer, 1894.  Contributed By: Cornell University Library

Hoofs, claws and antlers of the Rocky Mountains, by the camera

Selected works authored, co-authored or introduced by Theodore Roosevelt dealing with Natural History. Also available in iTunes U.

Natural Sciences

Publication Details: New York?, s.n, 1879.  Contributed By: Smithsonian Libraries and Archives

Publication Details: New York?, s.n, 1877?.  Contributed By: Smithsonian Libraries and Archives

Volume: v.1 (1914).  Publication Details: New York, C. Scribner's Sons, 1914.  Contributed By: Smithsonian Libraries and Archives

Publication Details: New York, Forest and stream publishing company, 1897.  Contributed By: University of California Libraries

Publication Details: London, J. Murray, 1914.  Contributed By: Cornell University Library