RelBib: Results for "(11850522x OR 11850553x)"

https://relbib.de/search/results?filter[]=topic_facet:"[Unassigned]"&filter[]=~author_facet:"Bach, Johann Sebastian 1685-1750"&filter[]=~author_facet:"Dürr, Alfred 1918-2011"&filter[]=~author_facet:"Internationale Arbeitsgemeinschaft für Theologische Bachforschung"&filter[]=~author_facet:"Steiger, Renate 1934-2006"&filter[]=~mediatype:"Non-Electronic"&filter[]=~relbib_notation_facet:"[Unassigned]"&lookfor=(11850522x OR 11850553x)&type=AllFields