U.S. History: Biographies
- Julia Carson
- Julian Bond
- Justin Smith Morrill
- Kamehameha
- Karl Popper
- Kenneth Winston Starr
- Kiliaen Van Rensselaer
- King Gillette
- Kit Carson
- L Douglas Wilder
- Lafayette Escadrille
- Lee Harvey Oswald
- Leonard Wood
- Les Aspin
- Leslie Richard Groves
- Levi Lincoln
- Lewis Cass
- Lewis Lichtenstein Strauss
- Lewis Morris
- Lincoln Ellsworth