2026-04-23T18:03:46Z https://oai.bibnet.lu/view/oai/352LUX_BIBNET_NETWORK/request all_biball_bibLUBIBNETLUBIBNETRAMRAMVIAFAUTVIAFAUTFID-BENELUXFID BeNeLuxBSB-FID-GESCHICHTSWBSB FID GESCHICHTSWISSENSCHAFTENVIAFBIBVIAFBIBall_bib_exportall_bib_exportAPTAPTDALAUTDALAUTPortraits-digitizedPortraits-digitizedLUDAPLUDAPAUT_for_ARKAUT_for_ARK