Donvalis, Georges (Greece).

Doyen, Albert (France).

Duhamel, Georges (France).

Dujardin, Edouard (editor of "Cahiers Idealistes," France).

Dunois, Amedee (on the staff of "L'Humanite, France).

Dupin, Gustave (France).

Dy, Melot du (Belgium).

Eder, Robert (Switzerland).

Eeckhoud, Georges (Belgium).

Eeden, Frederick van (Holland).

Einstein, Albert (Germany).

Eslander, J. F. (Belgium).

Fievez, Joseph (France).

Foerster, W. (Germany).

Forel, Auguste (Switzerland).

Frank, Leonhard (Germany).

Frank, Waldo (U.S.A.).

Fried, A. H. (German-Austria).

Fry, R. (England).

George, Waldemar (on the staff of "La Forge," France).

Georges-Bazille, G. (editor of "Cahiers Britanniques et Americains," France).

Gerlach, H. von (Germany).

Goll, Ivan (Germany).

Hamon, Augustin (France).

Heidenstam, Verner von (Sweden).

h.e.l.lens, Franz (Belgium).

Herzog, Wilhelm (Germany).

Hesse, Hermann (Germany).

Hier, Frederick P. (U.S.A.).

Hilbert, David (Germany).

Hofer, Charles (Switzerland).

Holmes, John Haynes (U.S.A.).

Huebsch, B. W. (U.S.A.).

Jouve, P. J. (France).

Kapteyn, J. C. (Holland).

Key, Ellen (Sweden).

Khnopff, Georges (Belgium).

Kollwitz, Kate (Germany).

Laboure, A. M. (France).

Lagerlof, Selma (Sweden).

Laisant, C. A. (France).

Latzko, Andreas (Hungary).

Lefebvre, Raymond (France).

Lehmann, Max (Germany).

Lindhagen, Carl (Sweden).

Liveright, Horace B. (U.S.A.).

Lopez-Pico, M. (Spain).

Lucci, Arnaldo (Italy).

Mann, Heinrich (Germany).

Martinet, Marcel (France).

Maseras, Alfons (Spain).

Masereel, Frans (Belgium).

Ma.s.son, emile (France).

Masters, Edgar Lee (U.S.A.).

Matisse, Georges (France).

Matisse, Madeline (France).

Mercereau, Alexandre (France).

Meriga, Lue (editor of "La Forge," France).

Mesnil, Jacques (Belgium).

Michaelis, Sophus (Denmark).

Moissi, A. (Germany).

Morhardt, Mathias (France).

Natorp, Paul (Germany).

Nearing, Scott (U.S.A.).

Nicolai, Georg Friedrich (Germany).

Nithack-Stahn (Germany).

Ors, Eugenio d' (Spain).

Paasche, H. (Germany).

Picard, Edmond (Belgium).

Pierre, A. (on the staff of "L'Humanite," France).

Prenant, A. (France).

Ragaz (Switzerland).

Reuillard, Gabriel (France).

Rolland, Romain (France).

Romains, Jules (France).

Roorda van Eysinga, H. (Switzerland).

Roussel, Nelly (France).

Rubakin, Nicholas (Russia).

Rusiecka, M. de (Poland).

Russell, Bertrand (England).

Ryner, Han (France).

Schirardin, (professor in Metz, France).

Schneider, Edouard (France).

Schoen, Edouard (professor in Metz, France).

Schultz, P. (professor in Metz, France).

Severine (France).

Signac, Paul (France).

Sinclair, Upton (U.S.A.).

Sorel, Robert (France).

Stieglitz, Alfred (U.S.A.).

Stocker, Helene (Germany).

Suchenno, Jean (France).

Tagore, Rabindranath (Hindustan).

Thiessou, Gaston (France).

Uhry, Jules (on the staff of "L'Humanite," France).

Unruh, Fritz von (Germany).

Vaillant-Couturier, Paul (France).

Velde, Henry van de (Belgium).

Vildrac, Charles (France).

Villard, Oswald Garrison (U.S.A.).