Creator
- Leulock (Washington, D.C.)1
- Levy et Neurdein Reunis (Paris, France)1
- Lightbourn, Ronald G.1
- Lincoln, F. S.1
- Locke, William N.1
- London Photographic Co. (London, England)1
- Long, John D.1
- Longmans (Dorchester) Ltd. (Dorchester, England)1
- Longsdorf, Charles L.1
- Loomis, Fred T.1
- Louise, Ruth Harriet, 1903-1940.1
- Lowney, Paul B.1
- Lucas, G. W. M.1
- Ludlum, John Plumer.1
- Lustig, Ray.1
- Lyle's Photog's.1
- M., C.1
- Mailliard, Ed.1
- Marcolesco, Juan.1
- Mark A. Stephens Ltd. (Trinidad)1