RelBib: Results for "118535730~"

https://relbib.de/search/results?filter[]=is_open_access:"non-open-access"&filter[]=topic_facet:"Friedrich II Heiliges Römisches Reich, Kaiser (1194-1250)"&filter[]=~geographic_facet:"Germany"&filter[]=~geographic_facet:"Prussians"&lookfor=118535730~&type=AllFields