Names
- Holt, Hamilton, 1872-1951.1
- Hubbard, Lucius L. (Lucius Lee), 1849-1933.1
- Hubbard, Lucius Lee, 1849-19331
- Hudson, Grant Martin, 1868-1955.1
- Hudson, Joseph Lowthian, 1846-1912.1
- Hughes, Charles Evans, 1862-1948.1
- Hull, William, 1753-1825.1
- Hunsaker, Walter Jerome, 1857-1939.1
- Hutchins, Robert Maynard, 1899-1977.1
- Industrial Workers of the World.1
- International Congress of Women (1915 : Hague, Netherlands)1
- International Union, United Automobile, Aircraft and Agricultural Implement Workers of America.1
- Jackson Automobile Company1
- Jackson Automobile Company.1
- Jenks, Jeremiah Whipple, 1856-1929.1
- Jessup, Walter A. (Walter Albert), 1877-1944.1
- Johnson, Elias Finley, 1861-1933.1
- Jones, J. Weldon (James Weldon), 1896-1
- Kahn, Albert, 1869-1942.1
- Ke-taw-kah.1