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Subjects: (Joseph Nicolas),; 1786-1859; 1796-1843; 1796-1862; 1809-1853; 1809-1884; 1810-1888; Botanical specimens; Classification; Collection and preservation; Correspondence; Engelmann, George,; Geyer, Karl Andreas,; Gray, Asa,; Law and legislation; Leavenworth, Melines Conklin,; Nicollet, J. N; Nuttall, Thomas,; Plants; Postal service; Seeds; United States</div>
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Gray, Asa,</div>
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