22
Book
31
by Spörer, Gustav
Published 1843
Book
32
by Mayr, Aloys
Published 1846
Book
33
Published 1847
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35
Published 1859
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36
Published 1859
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37
by Carl, Philipp
Published 1864
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38
by Carl, Philipp
Published 1864
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39
by Carl, Philipp
Published 1864
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40
by Struve, Otto Wilhelm ¬von
Published 1868
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