Brown, Kenneth E.,  1904- <br/><br/>
Qualifications and teaching loads of mathematics and science teachers in Maryland, New Jersey, and Virginia / 
by Kenneth E. Brown and Ellsworth S. Obourn. 
 - [Washington] :  U.S. Dept. of Health, Education, and Welfare, Office of Education,  [1959] 
 - viii, 101 p. :  tables ;  26 cm. 
 - Circular (United States Office of Education) ;  no. 575 .
<br/><br/> Information obtained in cooperation with the National Science Foundation. 
<br/><br/>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. 
<br/><br/><label>LCCN: </label>hew60000016  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Teachers--Training of--United States.<br/>Science--Study and teaching.<br/>Mathematics--Study and teaching.
<br/><br/><label>LC Class. No.: </label>L111  / .A72 no. 575