<OAI-PMH xmlns="http://www.openarchives.org/OAI/2.0/" xmlns:mets="http://www.loc.gov/METS/" xmlns:mods="http://www.loc.gov/mods/v3" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/ http://www.openarchives.org/OAI/2.0/OAI-PMH.xsd"><responseDate>2026-05-22T04:36:56Z</responseDate><request verb="GetRecord" metadataPrefix="mets" identifier="3903025">https://digisam.ub.uni-giessen.de/ubg-ihd-nl-baer-k/oai/</request><GetRecord><record><header><identifier>oai:digisam.ub.uni-giessen.de/ubg-ihd-nl-baer-k:3903025</identifier><datestamp>2021-03-31T06:54:00Z</datestamp><setSpec>ubg-ihd-nl-baer-k</setSpec><setSpec>handwritten</setSpec></header><metadata><mets:mets xmlns:xlink="http://www.w3.org/1999/xlink" xsi:schemaLocation="http://www.loc.gov/METS/ http://www.loc.gov/standards/mets/version112/mets.xsd" OBJID="44">
<mets:metsHdr CREATEDATE="2026-05-22T06:36:56"><mets:agent ROLE="OTHER" TYPE="OTHER" OTHERTYPE="SOFTWARE"><mets:name>vls/2603</mets:name></mets:agent><mets:agent ROLE="OTHER" TYPE="OTHER" OTHERTYPE="INSTANCE"><mets:name>ubg-balancer_mdapi1</mets:name></mets:agent><mets:agent ROLE="OTHER" TYPE="OTHER" OTHERTYPE="REPOSITORY"><mets:name>digisam.ub.uni-giessen.de</mets:name></mets:agent><mets:agent ROLE="OTHER" TYPE="OTHER" OTHERTYPE="BUILDER"><mets:name>vd</mets:name></mets:agent></mets:metsHdr><mets:dmdSec ID="md3903025"><mets:mdWrap MIMETYPE="text/xml" MDTYPE="MODS"><mets:xmlData><mods:mods xsi:schemaLocation="http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-8.xsd" version="3.8"><mods:titleInfo><mods:title>Brief von Alexander Keyserling an Karl Ernst von Baer, 10.04.1863 [10 April 1863]</mods:title></mods:titleInfo><mods:name type="personal" authority="gnd" valueURI="http://d-nb.info/gnd/116152753" authorityURI="http://d-nb.info/gnd/"><mods:displayForm>Keyserling, Alexander</mods:displayForm><mods:namePart>Keyserling, Alexander</mods:namePart><mods:role><mods:roleTerm type="code" authority="marcrelator">aut</mods:roleTerm><mods:roleTerm>author</mods:roleTerm></mods:role></mods:name><mods:name type="personal" authority="gnd" valueURI="http://d-nb.info/gnd/118505831" authorityURI="http://d-nb.info/gnd/"><mods:displayForm>Baer, Karl Ernst von</mods:displayForm><mods:namePart>Baer, Karl Ernst von</mods:namePart><mods:role><mods:roleTerm type="code" authority="marcrelator">rcp</mods:roleTerm><mods:roleTerm>addressee</mods:roleTerm></mods:role></mods:name><mods:name type="personal" authority="gnd" valueURI="http://d-nb.info/gnd/118852116" authorityURI="http://d-nb.info/gnd/"><mods:displayForm>Schleiden, Matthias Jacob</mods:displayForm><mods:namePart>Schleiden, Matthias Jacob</mods:namePart><mods:role><mods:roleTerm type="code" authority="marcrelator">oth</mods:roleTerm><mods:roleTerm>other</mods:roleTerm></mods:role></mods:name><mods:name type="personal" authority="gnd" valueURI="http://d-nb.info/gnd/118607057" authorityURI="http://d-nb.info/gnd/"><mods:displayForm>Schelling, Friedrich Wilhelm Joseph von</mods:displayForm><mods:namePart>Schelling, Friedrich Wilhelm Joseph von</mods:namePart><mods:role><mods:roleTerm type="code" authority="marcrelator">oth</mods:roleTerm><mods:roleTerm>other</mods:roleTerm></mods:role></mods:name><mods:name type="corporate" authority="gnd" valueURI="http://d-nb.info/gnd/501111-5" authorityURI="http://d-nb.info/gnd/"><mods:namePart>Kaiserliche Universität</mods:namePart><mods:role><mods:roleTerm type="code" authority="marcrelator">oth</mods:roleTerm><mods:roleTerm>other</mods:roleTerm></mods:role></mods:name><mods:typeOfResource manuscript="yes">text</mods:typeOfResource><mods:originInfo><mods:dateCreated encoding="w3cdtf" keyDate="yes">1863-04-10</mods:dateCreated><mods:place><mods:placeTerm type="text">Dorpat</mods:placeTerm></mods:place></mods:originInfo><mods:language><mods:languageTerm authority="iso639-2b" type="code">ger</mods:languageTerm><mods:languageTerm type="text">Deutsch</mods:languageTerm></mods:language><mods:physicalDescription><mods:extent>1 Brief, 1 Blatt (1 beschriebene Seite), 4°</mods:extent></mods:physicalDescription><mods:abstract type="content">Erwartet Baer mit Sehnsucht, er könne das wissenschaftliche Leben hier beleben. Schleiden soll als Professor honorarius herkommen, es gebe Bedenken, da er auch über Schelling (Schellings und Hegels Verhältnis zur Naturwissenschaft: Zum Verhältnis der physikalistischen Naturwissenschaft zur spekulativen Naturphilosophie, 1844) und den Mond (Mondschwärmereien eines Naturforschers, in: Studien. Populäre Vorträge. 2. Aufl. Leipzig 1857, S. 279-326) geschrieben habe.</mods:abstract><mods:identifier type="uri">http://kalliope-verbund.info/DE-611-HS-3664248</mods:identifier><mods:identifier type="urn">urn:nbn:de:hebis:26-digisam-143585</mods:identifier><mods:relatedItem type="series"><mods:titleInfo><mods:title>Nachlass Karl Ernst von Baer - 1. Briefe - 1.23 Band 23 - Brief von Alexander Keyserling an Karl Ernst von Baer, 10.04.1863-15.10.1866 [10.04.1863-15.10.1866]</mods:title></mods:titleInfo><mods:identifier type="localparentid">DE-611-HS-3550790</mods:identifier><mods:identifier type="uri">http://kalliope-verbund.info/DE-611-HS-3550790</mods:identifier></mods:relatedItem><mods:location><mods:shelfLocator>Nachl. Baer, Briefe 23, Bl. [111], 112</mods:shelfLocator></mods:location><mods:location><mods:url note="Digitalisat">https://nbn-resolving.de/urn:nbn:de:hebis:26-digisam-143585</mods:url></mods:location><mods:accessCondition type="use and reproduction" xlink:href="https://creativecommons.org/publicdomain/mark/1.0/" displayLabel="Creative Commons Gemeinfrei 1.0 International Lizenz">PDM 1.0</mods:accessCondition><mods:extension><vlz:info xmlns:vlz="http://visuallibrary.net/vlz/1.0/" version="2"/></mods:extension><mods:recordInfo><mods:recordIdentifier source="DE-611">DE-611-HS-3664248</mods:recordIdentifier><mods:recordCreationDate encoding="marc">20201202</mods:recordCreationDate><mods:recordChangeDate encoding="iso8601">20210309</mods:recordChangeDate><mods:recordContentSource authority="marcorg">Universitätsbibliothek (Giessen)</mods:recordContentSource><mods:languageOfCataloging><mods:languageTerm authority="iso639-2b">ger</mods:languageTerm><mods:languageTerm type="text">Deutsch</mods:languageTerm></mods:languageOfCataloging><mods:languageOfCataloging><mods:languageTerm authority="iso639-2b">fre</mods:languageTerm><mods:languageTerm type="text">Französisch</mods:languageTerm></mods:languageOfCataloging><mods:languageOfCataloging><mods:languageTerm authority="iso639-2b">rus</mods:languageTerm><mods:languageTerm type="text">Russisch</mods:languageTerm></mods:languageOfCataloging><mods:languageOfCataloging><mods:languageTerm authority="iso639-2b">eng</mods:languageTerm><mods:languageTerm type="text">Englisch</mods:languageTerm></mods:languageOfCataloging></mods:recordInfo></mods:mods></mets:xmlData></mets:mdWrap></mets:dmdSec><mets:amdSec ID="amd3903025"><mets:rightsMD ID="rights3903025">
<mets:mdWrap MIMETYPE="text/xml" MDTYPE="OTHER" OTHERMDTYPE="DVRIGHTS">
<mets:xmlData>
<dv:rights xmlns:dv="http://dfg-viewer.de/">
<dv:ownerLogo>https://digisam.ub.uni-giessen.de/domainimage/logo-UB-giessen.png</dv:ownerLogo><dv:owner>Universit\\\\\\\\\\\\\\\\xe4tsbibliothek Gie\\\\\\\\\\\\\\\\xdfen</dv:owner><dv:ownerSiteURL>https://www.uni-giessen.de/ub/</dv:ownerSiteURL><dv:ownerContact>auskunft@bibsys.uni-giessen.de</dv:ownerContact><dv:license>pdm</dv:license></dv:rights>
</mets:xmlData>
</mets:mdWrap>
</mets:rightsMD><mets:digiprovMD ID="digiprov3903025">
<mets:mdWrap MIMETYPE="text/xml" MDTYPE="OTHER" OTHERMDTYPE="DVLINKS">
<mets:xmlData>
<dv:links xmlns:dv="http://dfg-viewer.de/">
<dv:reference>http://kalliope-verbund.info/de/ead?ead.id=DE-611-HS-3664248</dv:reference>
<dv:presentation>https://digisam.ub.uni-giessen.de/id/3903025</dv:presentation>
<dv:iiif>https://digisam.ub.uni-giessen.de/i3f/v20/3903025/manifest</dv:iiif>
<dv:sru>https://digisam.ub.uni-giessen.de/proto_ftsearch/3903025</dv:sru></dv:links>
</mets:xmlData>
</mets:mdWrap>
</mets:digiprovMD></mets:amdSec><mets:fileSec><mets:fileGrp USE="TEASER"><mets:file MIMETYPE="image/jpeg" CREATED="2021-03-31T06:53:16.946500Z" ID="IMG_TEASER_3903026"><mets:FLocat xlink:href="https://digisam.ub.uni-giessen.de/download/webcache/304/3903026" LOCTYPE="URL"/></mets:file></mets:fileGrp><mets:fileGrp USE="DEFAULT"><mets:file MIMETYPE="image/jpeg" ID="IMG_DEFAULT_3903026"><mets:FLocat xlink:href="https://digisam.ub.uni-giessen.de/download/webcache/1000/3903026" LOCTYPE="URL"/></mets:file><mets:file MIMETYPE="image/jpeg" ID="IMG_DEFAULT_3903027"><mets:FLocat xlink:href="https://digisam.ub.uni-giessen.de/download/webcache/1000/3903027" LOCTYPE="URL"/></mets:file><mets:file MIMETYPE="image/jpeg" ID="IMG_DEFAULT_3903028"><mets:FLocat xlink:href="https://digisam.ub.uni-giessen.de/download/webcache/1000/3903028" LOCTYPE="URL"/></mets:file><mets:file MIMETYPE="image/jpeg" ID="IMG_DEFAULT_3903029"><mets:FLocat xlink:href="https://digisam.ub.uni-giessen.de/download/webcache/1000/3903029" LOCTYPE="URL"/></mets:file><mets:file MIMETYPE="image/jpeg" ID="IMG_DEFAULT_3903030"><mets:FLocat xlink:href="https://digisam.ub.uni-giessen.de/download/webcache/1000/3903030" LOCTYPE="URL"/></mets:file></mets:fileGrp><mets:fileGrp USE="THUMBS"><mets:file MIMETYPE="image/jpeg" ID="IMG_THUMBS_3903026"><mets:FLocat xlink:href="https://digisam.ub.uni-giessen.de/download/webcache/128/3903026" LOCTYPE="URL"/></mets:file><mets:file MIMETYPE="image/jpeg" ID="IMG_THUMBS_3903027"><mets:FLocat xlink:href="https://digisam.ub.uni-giessen.de/download/webcache/128/3903027" LOCTYPE="URL"/></mets:file><mets:file MIMETYPE="image/jpeg" ID="IMG_THUMBS_3903028"><mets:FLocat xlink:href="https://digisam.ub.uni-giessen.de/download/webcache/128/3903028" LOCTYPE="URL"/></mets:file><mets:file MIMETYPE="image/jpeg" ID="IMG_THUMBS_3903029"><mets:FLocat xlink:href="https://digisam.ub.uni-giessen.de/download/webcache/128/3903029" LOCTYPE="URL"/></mets:file><mets:file MIMETYPE="image/jpeg" ID="IMG_THUMBS_3903030"><mets:FLocat xlink:href="https://digisam.ub.uni-giessen.de/download/webcache/128/3903030" LOCTYPE="URL"/></mets:file></mets:fileGrp><mets:fileGrp USE="MIN"><mets:file MIMETYPE="image/jpeg" ID="IMG_MIN_3903026"><mets:FLocat xlink:href="https://digisam.ub.uni-giessen.de/download/webcache/504/3903026" LOCTYPE="URL"/></mets:file><mets:file MIMETYPE="image/jpeg" ID="IMG_MIN_3903027"><mets:FLocat xlink:href="https://digisam.ub.uni-giessen.de/download/webcache/504/3903027" LOCTYPE="URL"/></mets:file><mets:file MIMETYPE="image/jpeg" ID="IMG_MIN_3903028"><mets:FLocat xlink:href="https://digisam.ub.uni-giessen.de/download/webcache/504/3903028" LOCTYPE="URL"/></mets:file><mets:file MIMETYPE="image/jpeg" ID="IMG_MIN_3903029"><mets:FLocat xlink:href="https://digisam.ub.uni-giessen.de/download/webcache/504/3903029" LOCTYPE="URL"/></mets:file><mets:file MIMETYPE="image/jpeg" ID="IMG_MIN_3903030"><mets:FLocat xlink:href="https://digisam.ub.uni-giessen.de/download/webcache/504/3903030" LOCTYPE="URL"/></mets:file></mets:fileGrp><mets:fileGrp USE="MAX"><mets:file MIMETYPE="image/jpeg" ID="IMG_MAX_3903026"><mets:FLocat xlink:href="https://digisam.ub.uni-giessen.de/download/webcache/0/3903026" LOCTYPE="URL"/></mets:file><mets:file MIMETYPE="image/jpeg" ID="IMG_MAX_3903027"><mets:FLocat xlink:href="https://digisam.ub.uni-giessen.de/download/webcache/0/3903027" LOCTYPE="URL"/></mets:file><mets:file MIMETYPE="image/jpeg" ID="IMG_MAX_3903028"><mets:FLocat xlink:href="https://digisam.ub.uni-giessen.de/download/webcache/0/3903028" LOCTYPE="URL"/></mets:file><mets:file MIMETYPE="image/jpeg" ID="IMG_MAX_3903029"><mets:FLocat xlink:href="https://digisam.ub.uni-giessen.de/download/webcache/0/3903029" LOCTYPE="URL"/></mets:file><mets:file MIMETYPE="image/jpeg" ID="IMG_MAX_3903030"><mets:FLocat xlink:href="https://digisam.ub.uni-giessen.de/download/webcache/0/3903030" LOCTYPE="URL"/></mets:file></mets:fileGrp><mets:fileGrp USE="MASTER"><mets:file MIMETYPE="image/tiff" CHECKSUM="ecb230ae7890ee519a29ebec01149c630a48f3f6" SIZE="19896590" CHECKSUMTYPE="SHA-1" CREATED="2021-03-31T06:53:16.946500Z" ID="IMG_MA_3903026"><mets:FLocat xlink:href="https://digisam.ub.uni-giessen.de/download/archive/3903026" LOCTYPE="URL"/></mets:file><mets:file MIMETYPE="image/tiff" CHECKSUM="1824ee2023084f39566beb1b27a9f88a229a94f1" SIZE="19888008" CHECKSUMTYPE="SHA-1" CREATED="2021-03-31T06:53:17.006500Z" ID="IMG_MA_3903027"><mets:FLocat xlink:href="https://digisam.ub.uni-giessen.de/download/archive/3903027" LOCTYPE="URL"/></mets:file><mets:file MIMETYPE="image/tiff" CHECKSUM="e6bf197bdc8bc4002c85b8bf8e139d921443d6fe" SIZE="19888008" CHECKSUMTYPE="SHA-1" CREATED="2021-03-31T06:53:17.054500Z" ID="IMG_MA_3903028"><mets:FLocat xlink:href="https://digisam.ub.uni-giessen.de/download/archive/3903028" LOCTYPE="URL"/></mets:file><mets:file MIMETYPE="image/tiff" CHECKSUM="956b17e66646e7a90e0ba5534cdd12609ca357ba" SIZE="19896590" CHECKSUMTYPE="SHA-1" CREATED="2021-03-31T06:53:17.102500Z" ID="IMG_MA_3903029"><mets:FLocat xlink:href="https://digisam.ub.uni-giessen.de/download/archive/3903029" LOCTYPE="URL"/></mets:file><mets:file MIMETYPE="image/tiff" CHECKSUM="2fe6675c69027356cae319eb26dd137251aa92f9" SIZE="19896590" CHECKSUMTYPE="SHA-1" CREATED="2021-03-31T06:53:17.154500Z" ID="IMG_MA_3903030"><mets:FLocat xlink:href="https://digisam.ub.uni-giessen.de/download/archive/3903030" LOCTYPE="URL"/></mets:file></mets:fileGrp></mets:fileSec><mets:structMap TYPE="PHYSICAL"><mets:div TYPE="physSequence" ID="physroot"><mets:div ID="phys3903026" TYPE="page" LABEL="[Seite 1]" ORDER="1"><mets:fptr FILEID="IMG_DEFAULT_3903026"/><mets:fptr FILEID="IMG_THUMBS_3903026"/><mets:fptr FILEID="IMG_MIN_3903026"/><mets:fptr FILEID="IMG_MAX_3903026"/><mets:fptr FILEID="IMG_MA_3903026"/></mets:div><mets:div ID="phys3903027" TYPE="page" LABEL="[Seite 2]" ORDER="2"><mets:fptr FILEID="IMG_DEFAULT_3903027"/><mets:fptr FILEID="IMG_THUMBS_3903027"/><mets:fptr FILEID="IMG_MIN_3903027"/><mets:fptr FILEID="IMG_MAX_3903027"/><mets:fptr FILEID="IMG_MA_3903027"/></mets:div><mets:div ID="phys3903028" TYPE="page" LABEL="[Seite 3]" ORDER="3"><mets:fptr FILEID="IMG_DEFAULT_3903028"/><mets:fptr FILEID="IMG_THUMBS_3903028"/><mets:fptr FILEID="IMG_MIN_3903028"/><mets:fptr FILEID="IMG_MAX_3903028"/><mets:fptr FILEID="IMG_MA_3903028"/></mets:div><mets:div ID="phys3903029" TYPE="page" LABEL="[Seite 4]" ORDER="4"><mets:fptr FILEID="IMG_DEFAULT_3903029"/><mets:fptr FILEID="IMG_THUMBS_3903029"/><mets:fptr FILEID="IMG_MIN_3903029"/><mets:fptr FILEID="IMG_MAX_3903029"/><mets:fptr FILEID="IMG_MA_3903029"/></mets:div><mets:div ID="phys3903030" TYPE="page" LABEL="[Seite 5]" ORDER="5"><mets:fptr FILEID="IMG_DEFAULT_3903030"/><mets:fptr FILEID="IMG_THUMBS_3903030"/><mets:fptr FILEID="IMG_MIN_3903030"/><mets:fptr FILEID="IMG_MAX_3903030"/><mets:fptr FILEID="IMG_MA_3903030"/></mets:div></mets:div></mets:structMap><mets:structMap TYPE="LOGICAL"><mets:div ID="log3903025" DMDID="md3903025" ADMID="amd3903025" TYPE="manuscript" LABEL="Brief von Alexander Keyserling an Karl Ernst von Baer, 10.04.1863 [10 April 1863]" ORDER="1" CONTENTIDS="urn:nbn:de:hebis:26-digisam-143585"><mets:fptr FILEID="IMG_TEASER_3903026"/></mets:div></mets:structMap><mets:structLink><mets:smLink xlink:from="log3903025" xlink:to="physroot"/><mets:smLink xlink:from="log3903025" xlink:to="phys3903026"/><mets:smLink xlink:from="log3903025" xlink:to="phys3903027"/><mets:smLink xlink:from="log3903025" xlink:to="phys3903028"/><mets:smLink xlink:from="log3903025" xlink:to="phys3903029"/><mets:smLink xlink:from="log3903025" xlink:to="phys3903030"/></mets:structLink></mets:mets></metadata></record></GetRecord></OAI-PMH>