Contributors: Harry A. Becker [and others] Edited by: Robert E. Ohm [and] Oliver D. Johns; sponsored by the Oklahoma Commission of Educational Administration and the College of Education in cooperation with the Extension Division, University of Oklahoma
prepared by the International Bureau of Education = Répertoire des institutions de recherche en éducation / préparé par le Bureau international d'éducation = Repertorio de instituciones de investigación educacional / preparado por la Oficina Internacional de Educación