Max Kislinger, Rudolf Knoche, Peter Koch, A. L. Kocher, Jan Konupek, Hans Konvalin, Lajos Kozma, Edward Krenn, K. Kubergi, Adolph Kunst, Bab Kutcher, Frant Kysela.

Elsmore Lake, Rena Lalique, Lamberts, J. J. Lankes, Ingham Henry Law, Theodore Box Lawrence, M. C. Lawson, C. Leaming, Franz Lehrer, H. E. Groch Leiningen, Pedro Joseph de Lemos, Bessie W. (Edgar C.) Leonard, S. Levadi, Hubert Levigne, Allen Lewis, Kurt Leyde, Rolph Lindgren "The Roycrafter", Lionel Lindsay, Norman Lindsay, Alberto Lima, Juan Llorens, Blades London, Birch Long, A. N. Longstreet, William S. Lowell, Loy, Harriette Amsden Lyon, William Lyon.

Arthur N. MacDonald, Haldane Macfall, Louis de Maier, Will F. Mahony, E. Marcel, Senala Martin, J. Martine, H. Matthews, Howard McCormick, C. P. McCoy, Horace Edward McDonald, Paul McPharlin, Agta Meijer, Katherine Merrill, Ludwig Michalek, Charles Midlo, Leo Mielziner, Arthur Millier, W. P. Millspaugh, Ula Milner, C. H. Mitchell, Ralph Mocint, Ch. Moharr, Enrice Selley Molnar, May Morel, Constance Moreton, Charles P. Morse, P. F. Morvan, M. M. Muller, F. H. Munsell, Feg (Frederick) Murray, Jean June Myall.

Elsie W. Nabors, Miguel Roig Nadal, Luis E. de Navarra, Harold Nelson, G. Neuner, Edmund Hort New, Ruby Warren Newby, Clara Newcomer, Anna M. Newton, Roy Van Nice, Edvin Nilsson, Arthur Howard Noll. Maxwell Hamilton Noll.

Bernice Oehler, Pixie O'Harris, Lars Rune Ohlans, Oliver, O. Olson, Emil Orlick, B. N. Osburn, Bruno da Osimo.

A. Helen Page, Page, Elisabeth Goelet Rogers Palfrey, Walter Parker, Gines Parra, J. Paterson, Pattee, Lucia Patton, W. A. Paxton, Dorothy Payne, Ralph Pearson, J. R. Van Pelt, De La Peña, Ferdinand Perret, G. D. Perrottet, A. Petersek, Anton Pieck, A. Pietz, M. E. Philipp, George Plank, Walter Plunkett, L. F. Plympton, E. L. Pobst, Hip Polanski, Harold Nelson Poole, Joseph Porath, Stan P. Poray, Margaret Postgate, Grant Powers, Walter Merriam Pratt, Eragny Press, P. Puiy, Howard Pyle.