<div class="description">
<p>Bibliography: p. 56-63
</p>
<br>Subjects: Date United States</div>
<div class="fn value">
<dl><dd>Nixon, Roy W. (Roy Wesley), 1895-</dd>
<dd>Carpenter, J. B. (John B.), 1915-</dd>
<dd>U.S. Dept. of Agriculture. Science and Education Administration</dd></dl></div>
Internet Archive identifier