Names
- Hubbard, Lucius L. (Lucius Lee), 1849-1933.1
- Hubbs, Carl L. (Carl Leavitt), 1894-1979.1
- Huber, Gotthelf Carl, 1865-1934.1
- Huebsch, B. W. (Benjamin W.), 1876-1964.1
- Huebsch, B.W. 1876-19541
- Hughes, Charles Evans, 1862-1948.1
- Hulbert, Henry Schoolcraft, 1869-1959.1
- Hull, Cordell, 1871-1955.1
- Hutchins, Harry B. (Harry Burns), 1847-1930.1
- Hutchins, Robert Maynard, 1899-1977.1
- Ickes, Harold L. (Harold LeClair), 1874-1952.1
- Industrial Workers of the World1
- Industrial Workers of the World.1
- International Congress of Women (1915 : Hague, Netherlands)1
- International Council for Patriotic Service.1
- Ireland, John, 1838-1918.1
- Jackson, Andrew, 1767-1845.1
- James, William, 1842-19101
- James, William, 1842-1910.1
- John D. Rockefeller1