Daguerreotype of American activist Dorothea Dix (1802-1887). Date given by source as 1848-1849. <a rel="nofollow" class="external text" href="http://via.lib.harvard.edu/via/deliver/deepLink?_collection=via&amp;recordId=olvwork98701">bMS Am 1838 (994.7), Houghton Library</a>, Harvard University
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Marcus Aurelius Root (photographer)</div>
between 1848 and 1849 <div style="display: none;">date QS:P571,+1848-00-00T00:00:00Z/8,P1319,+1848-00-00T00:00:00Z/9,P1326,+1849-00-00T00:00:00Z/9</div>
<a rel="nofollow" class="external text" href="http://via.lib.harvard.edu/via/deliver/deepLink?_collection=via&amp;recordId=olvwork98701">bMS Am 1838 (994.7), Houghton Library, Harvard University</a>