Lenroot, Irvine L.
Lenroot, Katharine F.
Lewis, J. C.

Lewis, Mabel Potter
Lipman, Jacob G.
Lippincott, Benjamin
Lira, Alejandro .
Lloyd, Bolivar J.
Loehwing, Walter F.
Long, Fannie Saxe
Long, John D.

Lorton, Eugene.
Loudon, Jonkheer J.
Lowdermilk, W. C.
Lubin, David

Lubin, Isidor

Lucas, William P.
Lueders, Alfred
Lumpkin, Alva M.
Lutz, E. Russell

Lyon, B. B. Vincent
Lyon, George M.

MacGregor, G. Fernández
Madsen, Th.
Magalhães, Barbosa
Magrath, Charles A.
Makowsky, Waclaw
Maktos, John
Manuel, H. T.
Marbut, C. F.
Mariátegui, Foción
Mark, E. L.
Marquio, Luis