Creator
- Kowalk (River Edge, N.J.)1
- Kunstadt, Len.1
- Kutcher, B. F.1
- L.H. Bellin Studio (Providence, R.I.)1
- La Mon, W. Entrekin.1
- Lanks, Herbert C. (Herbert Charles), 1899-1
- Lexington Photo Studios.1
- Liberty Photo Studios.1
- Lindsay, R. D.1
- Litho-Chrome (Germany)1
- London, R. M.1
- Louis Kaufmann & Sons (Baltimore, Md.)1
- Lynch Studio (Trenton, N.J.)1
- ML Photo.1
- MacFarlane, W. G.1
- Marchant, F.1
- Mark A. Stephens Ltd. (Trinidad)1
- Maurice (Chicago)1
- Maxwell (St. Louis, Mo.)1
- McClure, R. L.1