Books

1. Tales of the Old Countrymen
   

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2. Messages from Earth: Nature and the Human Prospect in Alaska (Natural History)
   

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3. Genetik: Grundlagen, Erkenntnisse, Entwicklungen d. modernen Vererbungsforschung (Studio visuell)
   

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4. New Jersey out-of-doors;: A history of its flora and fauna
   

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5. Galapagos: Archipel der seltsamen Tiere
   

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Books