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Subjects: (Fre?de?ric Albert Constantin),; (Heinrich),; 1809-1884; 1818-1883; 1830-1903; -1876; Botanical specimens; Cactaceae; Correspondence; Echinocactus; Engelmann, George,; Franco-Prussian War, 1870-1871; Guedeney; Letters; Pfersdorff, Charles,; Poselger, H; Seeds; Weber, F. A. C</div>
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Pfersdorff, Charles,</div>
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