The papers consist of correspondence, writings, notes and notebooks, clippings, printed matter, which relate to Ellsworth Huntington's professional career and his activities for a number of professional organizations with which he was associated. The papers also include notebooks covering his numerous field trips and ancient artifacts collected by Huntington in Chinese Turkestan. Correspondents of note include Arnold Toynbee, Ernst Antevs, Henry Adams, James Breasted, Frederick Jackson Turner, Margaret Sanger, Henry Fairchild, James Rowland Angell, and Henry Seidel Canby.