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SDNB
060 General organization & museology320 Political science430 Germanic450 Italian, Romanian, Rhaeto-Romanic500 Natural sciences520 Astronomy & allied sciences550 Earth sciences560 Paleontology Paleozoology580 Botanical sciences590 Zoological sciences600 Technology (Applied sciences)630 Agriculture730 Plastic arts Sculpture790 Recreational & performing arts891.8 Slavic Literature950 General history of Asia Far East