{"leader":"00652nus0 22001933i 4500","fields":[{"001":"MUS0000055"},{"005":"20251215032357.0"},{"100":{"subfields":[{"a":"20231031b19001999||||0itac50      ba"}],"ind1":" ","ind2":" "}},{"102":{"subfields":[{"a":"it"}],"ind1":" ","ind2":" "}},{"110":{"subfields":[{"a":"b|u||||||||"}],"ind1":" ","ind2":" "}},{"200":{"subfields":[{"a":"Biblioteca del violinista"}],"ind1":"1","ind2":" "}},{"210":{"subfields":[{"a":"Milano"},{"c":"G. Ricordi & C."},{"d":"[19..]"}],"ind1":" ","ind2":" "}},{"712":{"subfields":[{"a":"Ricordi, G. & C."},{"3":"MUSV055322"},{"4":"650"}],"ind1":"0","ind2":"2"}},{"791":{"subfields":[{"a":"G. Ricordi & C."},{"3":"MUSV028148"},{"z":"Ricordi, G. & C."}],"ind1":"0","ind2":"2"}},{"791":{"subfields":[{"a":"Ricordi Officine"},{"3":"MUSV055344"},{"z":"Ricordi, G. & C."}],"ind1":"0","ind2":"2"}},{"791":{"subfields":[{"a":"Ricordi Stabilimento"},{"3":"MUSV055347"},{"z":"Ricordi, G. & C."}],"ind1":"0","ind2":"2"}},{"791":{"subfields":[{"a":"Regio stabilimento musicale Ricordi"},{"3":"SBNV037592"},{"z":"Ricordi, G. & C."}],"ind1":"0","ind2":"2"}},{"801":{"subfields":[{"a":"IT"},{"b":"IT-000000"},{"c":"20231031"}],"ind1":" ","ind2":"3"}},{"977":{"subfields":[{"a":" 35"}],"ind1":" ","ind2":" "}}]}