RelBib: Results for "(11850522x OR 11850553x)"
https://relbib.de/search/results?filter[]=~geographic_facet:"Leipzig (Region)"&filter[]=~publisher_facet:"Bachhaus Eisenach"&filter[]=~publisher_facet:"Breitkopf & Härtel"&lookfor=(11850522x OR 11850553x)&type=AllFields