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Subjects: 1797-1878; 1807-1873; 1809-1884; 1817-1896; Agassiz, Louis,; Botanical specimens; Collection and preservation; Correspondence; Engelmann, George,; Henry, Joseph,; Horr, Asa,; Letters; Meteorology; Observations; Zoological specimens</div>
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Horr, Asa,</div>
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