Author
American Educational Research Association
American Statistical Association
2
Educational Research Association (U.S.)
1
Freeman, Frank N. (Frank Nugent), b. 1880
1
Morrison, J. Cayce (John Cayce), 1886-
1
National Association of Directors of Educational Research (U.S.)
1
Scates, Douglas Edgar, 1898-
1
University of Illinois (Urbana-Champaign campus). Bureau of Educational Research
1