University of Illinois (Urbana-Champaign campus). Bureau of Educational Research, National Association of Directors of Educational Research (U.S.), Educational Research Association (U.S.), & American Educational Research Association. (1920). The journal of educational research. Published for the University of Illinois, Bureau of Educational Research by the Public School Publ. Co..

University of Illinois (Urbana-Champaign campus). Bureau of Educational Research, National Association of Directors of Educational Research (U.S.), Educational Research Association (U.S.), and American Educational Research Association. The Journal of Educational Research. Bloomington Ill.: Published for the University of Illinois, Bureau of Educational Research by the Public School Publ. Co., 1920.

University of Illinois (Urbana-Champaign campus). Bureau of Educational Research, et al. The Journal of Educational Research. Published for the University of Illinois, Bureau of Educational Research by the Public School Publ. Co., 1920.