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SDNB
070 News media, journalismn, publishing300 Social sciences350 Public administration460 Spanish & Portugese languages500 Natural sciences520 Astronomy & allied sciences540 Chemistry & allied sciences621.3 Electrical Engineering, Electronics650 Management & auxialiary services690 Buildings791 Public performances796 Athletic & outdoor sports & games850 Italian, Romanian, Rhaeto-Romanic literatures914.3 Geography & travel Germany930 History of the ancient world970 General history of North America990 General history of other areas