01321cam a22002651  4500001001300000003000400013005001700017008004100034010001700075035002000092040002500112042001200137050002300149100003000172245016000202260009500362300003700457440006000494500007800554501025900632650004200891650003300933650003700966700005201003hew60000016 DLC20260227111510.0860114s1959    dcu           000 0 eng    ahew60000016   a(OCoLC)13476311  aDLCcRPBdOCoLCdDLC  apremarc00aL111b.A72 no. 5751 aBrown, Kenneth E.,d1904-10aQualifications and teaching loads of mathematics and science teachers in Maryland, New Jersey, and Virginia /cby Kenneth E. Brown and Ellsworth S. Obourn.  a[Washington] :bU.S. Dept. of Health, Education, and Welfare, Office of Education,c[1959]  aviii, 101 p. :btables ;c26 cm. 0aCircular (United States Office of Education) ;vno. 575  aInformation obtained in cooperation with the National Science Foundation.  aWith: 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.5DLC 0aTeachersxTraining ofzUnited States. 0aSciencexStudy and teaching. 0aMathematicsxStudy and teaching.1 aObourn, Ellsworth S.q(Ellsworth Scott),d1897-