-
1كتاب
المؤلفون: Rogers, James Frederick, 1870-1965.
المساهمون: United States. Office of Education.
مصطلحات موضوعية: Public Health Administration -- legislation & jurisprudence., Physical Education and Training -- legislation & jurisprudence., School Health Services -- legislation & jurisprudence., School hygiene -- United States., Physical education and training -- United States., State departments of education -- United States.
جغرافية الموضوع: United States.