Creator
- Leigh, Richard H. (Richard Henry)1
- Lesley Family1
- Liddell, Anna Forbes1
- Lopez, Francisco I.1
- Lopez, Roberta1
- Lopez-Portillo y Lancaster-Jones, Rodrigo1
- Lorenz, Raymond J.1
- Lowry, Willie1
- Lue, Gim Gong (1860-1925)1
- Lupu, Nathan1
- Maguire, Charlotte Edwards1
- Mahan, Charles S. (1938-)1
- Malkoff, Sol, 1918-20011
- Mana-Zucca1
- Mansfield, Charlotte D.1
- Marion Rinhart1
- Marrero, Leví1
- Marshman, Helen P.1
- Marshman, William Daniel1
- Marston, Frank Rutherford1