1
by Röder, Philipp Ludwig Hermann
Published 1787
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2
Book
8
by Djurberg, Daniel
Published 1806
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9
by Höck, Johann Daniel Albrecht
Published 1808
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12
by Humboldt Alexander von
Published 1811
Book
13
by Humboldt Alexandre de
Published 1811
Book
15
Published 1813
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17
Published 1814
Uni Basel: Volltext
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18
by Picot, Jean
Published 1817
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20
by Humboldt, Alexander ¬von
Published 1822
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