Addams, Jane (U.S.A.).
Alain [Chartier] (France).
Alexandre, Raoul (on the staff of "L'Humanité," France).
Arco, G. von (Germany).
Arcos, René (France).
Barbusse, Henri (France).
Baudouin, Charles (editor of "Le Carmel," France).
Bazalgette, Léon (France).
Bernaert, Édouard (France).
Besnard, Lucien (France).
Bignami, Enrico (editor of "Coenobium," Italy).
Biriukov, Paul (Russia).
Bloch, Ernest (Switzerland).
Bloch, Jean-Richard (France).
Bodin, Louise (editor of "La Voix des Femmes," France).
Bracco, Roberto (Italy).
Brooks, Van Wyck (U.S.A.).
Brouwer, L. J. (Holland).
Buchet, Samuel (France).
Burnet, E. (of the Pasteur Institute, France).
Carpenter, Edward (England).
Chateaubriant, A. de (France).
Chenevière, Georges (France).
Colin, Paul (editor of "L'Art Libre," Belgium).
Coomaraswamy, Ananda (Hindustan).
Costa, Benedicto (Brazil).
Croce, Benedetto (Italy).
Crucy, François (on the staff of "L'Humanité," France).
Desanges, Paul (on the staff of "La Forge," France).
Desprès, Fernand (France).
Dickinson, G. Lowes (England)
Donvalis, Georges (Greece).
Doyen, Albert (France).