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1by Hagen, Victor Wolfgang von, 1908-Subjects “...Darwin, Charles, 1809-1882....”
Published 1949
Book -
2by Wulf, AndreaTable of Contents “...Return to Berlin ; Russia ; Evolution and nature : Charles Darwin and Humboldt ; Humboldt's Cosmos ; Poetry, science and nature : Henry David Thoreau and Humboldt -- Part V. ...”
Published 2015
Book