http://dewey.info/scheme/a14/ it
945 Penisola italiana e isole adiacenti    Italia
945.05 Periodo dalla peste nera alla discesa di Carlo VIII, 1348–1494
http://dewey.info/scheme/edition/e23/ en
945 Italy, San Marino, Vatican City, Malta
945.05 Period of Black Death to invasion of Charles VIII, 1348-1494
Dewey Decimal Classification
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