Names
- Hodgkin, Henry Theodore, 1877-1933.1
- Holbrook, Florence, 1860-1932.1
- Holmes, Burton, 1870-1
- Holmes, Burton, 1870-1958.1
- Holt, Hamilton, 1872-19511
- Holt, Hamilton, 1872-1951.1
- Hoover, Herbert Clark, 1874-19641
- Hoover, Herbert, 1874-1964.1
- Huebsch, B.W. 1876-19541
- Hull, William, 1753-1825.1
- Humphrey, Hubert H. (Hubert Horatio), 1911-1978.1
- Humphrey, Hubert Horatio, 1911-1978.1
- Hutchinson, Paul, 1890-1956.1
- Industrial Workers of the World1
- International Council for Patriotic Service.1
- International Union, United Automobile, Aircraft and Agricultural Implement Workers of America.1
- James, William, 1842-19101
- James, William, 1842-1910.1
- Johansen, August E. (August Edgar), 1905-1995.1
- Johnson, Robert Underwood, 1853-1937.1