Qualifications and teaching loads of mathematics and science teachers in Maryland, New Jersey, and Virginia - Brown, Kenneth E., 1904-; Obourn, Ellsworth S. (Ellsworth Scott), 1897- ([Washington] : U.S. Dept. of Health, Education, and Welfare, Office of Education, 1959)
Information obtained in cooperation with the National Science Foundation.
With: State legislation on school attendance and related matters, school census, and child labor / Nelda Rose Umbeck. [Washington] : U.S. Dept. of Health, Education, and Welfare, Office of Education, [1959]. Bound together subsequent to publication.
Keywords: Teachers -- Training of -- United States; Science -- Study and teaching; Mathematics -- Study and teaching