Résumé :

Bradford (Science Museum), Godfrey Dewey (Science Museum, Lake Placid Club Education Foundation), C. J. Curtis (British Museum), Pollard (Imperial College of Science and Technology), E. Lancaster-Jones (British Society for International Bibliography), Jean-Louis Claparède (Bureau international d'éducation), Comité météorologique international, Frits Doncker Duyvis (IIB, Commission internationale de la classification décimale, Nederlandsch Instituut voor Documentatie en Registratuur, Fédération dentaire internationale, K. H. Kooiman, Paul Otlet, Léon Losseau, Royal Society, Matthys (Institut international de documentation), Hy. Forster Morley (International Catalogue of Scientific Literature), B. J. Poplawski, Alvingh Prins (Institut international de documentation), E. Richardson (American Library Association), Rodowicz (Stowarzyszenie Techników Polskich w Warzawie), Roteenburg, Général Sébert, Jacob Ter Meulen (Bibliothèque du Palais de la Paix), Van Keerberghen, J. Van Hove, H. W. Wilson Compagny, Léon Wouters, Johannes C. Barolin, Frank (Institut international de documentation), Jur. Georg Maas, Walther (Deutscher Normenausschuss), O. Willareth, Institut international de bibliographie