- Jockeys—United States.1
- Johnson, Hugh S. (Hugh Samuel), 1882-1942.1
- Keiō Gijuku Daigaku.1
- Kendo.1
- Kendrick, W. Freeland, 1873-1953.1
- La Guardia, Fiorello H. (Fiorello Henry), 1882-1947.1
- Lacoste family.1
- Ladders.1
- Lady Southern Cross (Airplane)1
- Lake Erie Region--Description and travel.1
- Lalanda, Marcial, 1903-1
- Leach, Jack.1
- Lebrun, Albert, 1871-1950.1
- Lehman, Herbert H. (Herbert Henry), 1878-1963.1
- Leisure--Japan.1
- Leisure.1
- Leviathan (Ship)1
- Liberty Bell.1
- Liénart, Achille, 1884-1973.1
- Lindbergh, Charles A. (Charles Augustus), 1902-1974.1