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SDNB
004 Data processing Computer sciences070 News media, journalismn, publishing300 Social sciences330 Economics333.7 Natural resources, energy and environment360 Social services, association370 Education390 Customs, etiquette, folklore420 English460 Spanish & Portugese languages470 Italic Latin621.3 Electrical Engineering, Electronics720 Architecture830 Literatures of Germanic languages950 General history of Asia Far East