<div class="description">
<dl><dd>Includes bibliographical references (pages 291-308) and index</dd>
<dd>Microfilm</dd>
<dd>Condition reviewed</dd>
<dd>digitized</dd></dl><br>Subjects: Color Vision Defects; Color Vision Defects; Accident Prevention</div>
<div class="fn value">
Jeffries, B. Joy (Benjamin Joy), 1833-1915, author</div>
Internet Archive identifier