RelBib: Results for "(11850522x OR 11850553x)"
https://relbib.de/search/results?filter[]=topic_facet:"Bachhaus Eisenach Museums"&filter[]=topic_facet:"Copperplate engraving"&filter[]=~geographic_facet:"Eisenach"&filter[]=~mediatype:"Non-Electronic"&lookfor=(11850522x OR 11850553x)&type=AllFields