<div class="description">
<dl><dd>Thesis (Ph.D.) -- Cornell university, 1920</dd>
<dd>"Literature cited": p. 1088-1089</dd></dl><br>Subjects: Hawthorns; Beneficial insects; Insect pests</div>
<div class="fn value">
Wellhouse, Walter Housley, 1890-</div>
Internet Archive identifier