Duhamel, Georges (France).
Dujardin, Édouard (editor of "Cahiers Idéalistes," France).
Dunois, Amédée (on the staff of "L'Humanité," 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).
Fiévez, 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 Américains," France).
Gerlach, H. von (Germany).
Goll, Ivan (Germany).
Hamon, Augustin (France).
Heidenstam, Verner von (Sweden).
Hellens, 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).
Labouré, A. M. (France)