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Subjects: 1805-1877; 1809-1884; 1821-1890; 1821-1909; 1841-1927; Bolle, Carl August,; Botanical specimens; Braun, Alexander,; Correspondence; Engelmann, George,; Gramineae; Homeyer, Alexander von; Identification; Letters; Liliaceae; Picea; Pinaceae; Pinus; Plants; Sargent, Charles Sprague,; Serbia; Thurber, George,; Ulmaceae; Ulmus; Yucca</div>
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Bolle, Carl August,</div>
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