prepared by the Committee on Vocational Education of the National Education Association. the Committee on Vocational Education of the National Education Association, Committee on Health Problems in Education of the National Education Association. prepared by the Technical and Vocational Education Section, Unesco, for the International Bureau of Education. prepared by Advisory Committee on Food and Nutrition of the National Child Health Council. prepared by the International Federation for Documentation. prepared by the National Council of the National Front of Democratic Germany. prepared by the committee on National Formulary under the supervision of the council, by authority of the American Pharmaceutical Association. prepared by the Committee on National Formulary under the supervision of the Council, by authority of the American Pharmaceutical Association. prepared by the Extrusion Coating Committee of the Paper Synthetics Division.