<div class="description">
<dl><dd>Cover title</dd>
<dd>"April 1950."</dd>
<dd>Includes bibliographical references (page 6)</dd></dl><br>Subjects: Screwworm United States; Screwworm Control United States; Livestock Diseases and pests Control United States</div>
<div class="fn value">
<dl><dd>Laake, E. W. (Ernest William), 1887-1986</dd>
<dd>Hixson, Ephraim</dd>
<dd>Severin, H. C</dd>
<dd>United States. Bureau of Entomology and Plant Quarantine</dd></dl></div>
Internet Archive identifier