<div class="description">
<dl><dd>Facts gathered under the superintendence of Victor H. Olmsted</dd>
<dd>Investigation of the condition of air in tenement houses of New York and Philadelphia, by Alfred S. Houghton</dd></dl><br>Subjects: Poor; Poor; Poor; Poor</div>
<div class="fn value">
<dl><dd>United States. Bureau of Labor</dd>
<dd>Olmsted, Victor H. (Victor Hugo), 1853-1925</dd>
<dd>Houghton, Alfred S</dd></dl></div>
Internet Archive identifier