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Institute
SDNB
004 Data processing Computer sciences030 General encyclopedic works050 General serials & their indexes060 General organization & museology100 Philosophy500 Natural sciences510 Mathematics520 Astronomy & allied sciences530 Physics650 Management & auxialiary services740 Drawing & decorative arts770 Photography & photographs820 English & Old English literatures943 General history of Europe Central Europe Germany960 General history of Africa970 General history of North America