Author
Iowa. State Board for Vocational Education
2
Piñero, María Anabel
2
Salt Lake City School District. Community Education Services
2
Utah State Board of Education. Adult Education Services Section
2
Wilkins, Ernest J.
2
Bradley, Martin B.
1
DeJong, Gerrit, 1892-
1
ESB (International)
1
Gaussen, Louis, 1790-1863
1
Gray, Mason D. (Mason DeWitt), 1876-1928
1
Hamijoyo, Santoso S.
1
Hutabarat, Sans S.
1
Indian Council of Social Science Research
1
Indonesia. Badan Koordinasi Keluarga Berencana Nasional
1
Inter-University Board of India and Ceylon
1
Michigan. State Board of Control for Vocational Education
1
Michigan. Vocational Training for Rural War Production Workers
1
New York (N.Y.). Board of Education
1
New York Association of Biology Teachers
1
Presbyterian Church in the U.S.A. Board of Publication
1
Punjab (Pakistan). Project Training Cell
1
Singapore. National Productivity Board
1
Swan, Agnes E.
1
Worcester, Alfred, 1855-1951
1