RelBib: Results for "(11850004x OR 11860922x)"

https://relbib.de/search/results?filter[]=~author_facet:"Pernoud, Régine 1909-1998"&filter[]=~author_facet:"Pircher, Wolfgang 1946-"&filter[]=~dewey-hundreds:"900 - History & geography"&filter[]=~mediatype:"Non-Electronic"&lookfor=(11850004x OR 11860922x)&type=AllFields