司法美德：罗马教皇格雷戈里九世审批教令，查士丁尼移交优氏法典

司法美德：罗马教皇格雷戈里九世审批教令，查士丁尼移交优氏法典/The Judicial Virtues: Pope Gregory IX approving the Vatical Decretals; Justinian handing the Pandects to Trebonianus (detail)