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Bittet Baer, ihm eine Stunde anzuweisen, um ihm den Rest vorzutragen. Dies wäre auch im Rahmen eines Freitagabends, etwa am 2.5., möglich. Legt einen Brief von Unger an sich bei, in welchem dieser den Verkauf seiner Sammlung fossiler Pflanzen erwähnt. Hofft auf den Ankauf, um die Erforschung fossiler Pflanzen in Russland beginnen zu können.</mods:abstract><mods:identifier type="uri">http://kalliope-verbund.info/DE-611-HS-3732111</mods:identifier><mods:identifier type="urn">urn:nbn:de:hebis:26-digisam-153118</mods:identifier><mods:relatedItem type="series"><mods:titleInfo><mods:title>Nachlass Karl Ernst von Baer - 1. 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