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

https://relbib.de/search/results?filter[]=genre_facet:"Biography"&filter[]=topic_facet:"Biographie"&filter[]=~author_facet:"Widor, Charles-Marie 1844-1937"&filter[]=~dewey-hundreds:"700 - The arts"&filter[]=~dewey-hundreds:"900 - History & geography"&filter[]=~mediatype:"Non-Electronic"&filter[]=~publisher_facet:"Breitkopf & Härtel"&lookfor=(11850522x OR 11850553x)&type=AllFields