RelBib: Results for "(11854523x OR 11860922x)"
https://relbib.de/search/results?filter[]=era_facet:"20th century"&filter[]=topic_facet:"Barth, Karl (1886-1968)"&filter[]=topic_facet:"Church and state"&filter[]=~geographic_facet:"Germany"&lookfor=(11854523x OR 11860922x)&type=AllFields