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SDNB
004 Data processing Computer sciences010 Bibliography060 General organization & museology080 General collections439 Other Germanic languages460 Spanish & Portugese languages540 Chemistry & allied sciences550 Earth sciences560 Paleontology Paleozoology570 Life science600 Technology (Applied sciences)620 Engineering & allied operations660 Chemical engineering770 Photography & photographs830 Literatures of Germanic languages891.8 Slavic Literature920 Biography, genealogy, insignia