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Institute
SDNB
010 Bibliography150 Psychology333.7 Natural resources, energy and environment360 Social services, association380 Commerce, communications, transport500 Natural sciences510 Mathematics600 Technology (Applied sciences)621.3 Electrical Engineering, Electronics650 Management & auxialiary services670 Manufacturing700 The arts890 Literatures of other languages950 General history of Asia Far East960 General history of Africa990 General history of other areasK Children's and youth literature