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SDNB
004 Data processing Computer sciences050 General serials & their indexes080 General collections100 Philosophy150 Psychology290 Other & comparative religions350 Public administration470 Italic Latin520 Astronomy & allied sciences550 Earth sciences560 Paleontology Paleozoology590 Zoological sciences600 Technology (Applied sciences)620 Engineering & allied operations640 Home economics & family living650 Management & auxialiary services960 General history of AfricaK Children's and youth literature