Descripción
Publicado:Vol. 1, no. 1 (Jan. 4, 1922)-v. 40, no. 9 (Dec. 13, 1961)
Notas:Title from title screen (JSTOR, viewed Sept. 14, 2005).
Published by: Bureau of Educational Research and Service, Oct. 9, 1957-Dec. 13, 1961.
Frecuencia de Publicación:Monthly (except during June-Aug.), 1941-1961
Formato:Mode of access: World Wide Web.
ISSN:23306378