- Hurley, Edward N. (Edward Nash), 1864-1933.1
- Hyde, Arthur Mastick, 1877-1947.1
- Hydroelectric generators.1
- Independent Order Brith Abraham of the United States of America.1
- International Court of Justice.1
- Jahncke, Ernest L. (Ernest Lee), 1877-1960.1
- Johnson, Gussie Kennerly1
- Johnson, Hugh S. (Hugh Samuel), 1882-1942.1
- Judaism.1
- Kahn, Julius, 1861-1924.1
- Kendrick, John B. (John Benjamin), 1857-1933.1
- La Follette, Robert M. (Robert Marion), 1895-1953.1
- Labor.1
- Lacrosse players.1
- Lacrosse.1
- Lamont, Robert P. (Robert Patterson), 1867-1948.1
- Legislation.1
- Lejeune, John Archer, 1867-19421
- Lincoln, Abraham, 1809-1865--Assassination.1
- Lincoln, Abraham, 1809-1865.1