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SDNB
004 Data processing Computer sciences200 Religion300 Social sciences310 General statistics333.7 Natural resources, energy and environment540 Chemistry & allied sciences580 Botanical sciences621.3 Electrical Engineering, Electronics630 Agriculture670 Manufacturing760 Graphic arts Printmaking & prints780 Music860 Spanish & Portuguese literatures910 Geography & travel914.3 Geography & travel GermanyK Children's and youth literature