Names
- Hill, George D., 1820-1881.2
- Hindustan Association of America.2
- Hinsdale, B. A. (Burke Aaron), 1837-1900.2
- Hinsdale, W. B. (Wilbert B.), 1851-1944.2
- Historical Society of Michigan (1874-)2
- Hobbs, William Herbert, 1864-1953.2
- Holmes, John Haynes, 1879-1964.2
- Hoover, Herbert, 1874-1964.2
- Horace H. Rackham Educational Memorial (Detroit, Mich.)2
- Hubbard, Lucius L. (Lucius Lee), 1849-1933.2
- Hudson, Joseph Lowthian, 1846-1912.2
- Hudson, Richard, 1845-1915.2
- Humphrey, Hubert H. (Hubert Horatio), 1911-1978.2
- Hutchins, Harry Burns, 1847-1930.2
- India Academy of America.2
- India Independence League of America.2
- India Society of America.2
- Indian Independence League.2
- Indian National Congress. American Branch.2
- Industrial Workers of the World.2