Names
- Harding, Warren G. (Warren Gamaliel), 1865-1923.2
- Hays, Arthur Garfield, 1881-1954.2
- Henry Ford Peace Expedition (1915-1916)2
- Hobbs, William Herbert, 1864-1952.2
- Huebsch, B. W. (Benjamin W.), 1876-1964.2
- Humphrey, Hubert H. (Hubert Horatio), 1911-1978.2
- Hutchins, Harry B. (Harry Burns), 1847-1930.2
- Hutchinson, Paul, 1890-1956.2
- Industrial Workers of the World.2
- International Congress of Women (1915 : Hague, Netherlands)2
- Lynch, Frederick Henry, 1867-1934.2
- Mencken, H. L. (Henry Louis), 1880-1956.2
- Morgan, Angela, 1874-1957.2
- Murphy, Frank, 1890-1949.2
- Nearing, Scott, 1883-1983.2
- Olmsted, Mildred Scott, 1890-1990.2
- Osborn, Chase S. (Chase Salmon), 1860-2
- Peale, Norman Vincent, 1898-1993.2
- People's Council of America.2
- Roosevelt, Eleanor, 1884-1962.2