Petrus de Arvernia Petrus de Arvernia/services/engine/search/sru?operation=searchRetrieve&version=1.2&maximumRecords=50&collapsing=true&exactSearch=true&query=(dc.creator adj "Petrus de Arvernia" or dc.contributor adj "Petrus de Arvernia")
Petrus de Arvernia Petrus de Arvernia/services/engine/search/sru?operation=searchRetrieve&version=1.2&maximumRecords=50&collapsing=true&exactSearch=true&query=(dc.creator adj "Petrus de Arvernia" or dc.contributor adj "Petrus de Arvernia")