Author
India. Ministry of Education
3
Emporia Kansas State College. School of Graduate and Professional Studies
2
Emporia State University. School of Graduate and Professional Studies
2
Kansas State Teachers College of Emporia. Graduate School
2
Kansas State Teachers College of Emporia. School of Graduate and Professional Studies
2
Duggan, Benjamin Oscar
1
England. Board of Education
1
Hardin, M. L.
1
Humayun Kabir, 1906-1969
1
India. Ministry of Education and Scientific Research
1
Moḍaka, Tārābāī, 1892-1973
1
Poland. Główny Urząd Statystyczny
1
Shores, J. Harlan (James Harlan)
1
Thaler, Alwin, 1891-
1
Thomas, W. H.
1
University of Tennessee, Knoxville. School of Education
1