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Start Over Subjects Natural Science Disciplines ✖Remove constraint Subjects: Natural Science Disciplines Titles Humboldt's life and character: an address before the Linnaean Association of Pennsylvania College, delivered at the annual commencement, September 14, 1859 ✖Remove constraint Titles: Humboldt's life and character: an address before the Linnaean Association of Pennsylvania College, delivered at the annual commencement, September 14, 1859 Dates by Range 1850-1899 ✖Remove constraint Dates by Range: 1850-1899

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  • Humboldt's life and character: an address before the Linnaean Association of Pennsylvania College, delivered at the annual commencement, September 14, 18591