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SDNB
060 General organization & museology070 News media, journalismn, publishing230 Christian theology380 Commerce, communications, transport439 Other Germanic languages540 Chemistry & allied sciences560 Paleontology Paleozoology570 Life science600 Technology (Applied sciences)620 Engineering & allied operations621.3 Electrical Engineering, Electronics640 Home economics & family living660 Chemical engineering830 Literatures of Germanic languages891.8 Slavic Literature920 Biography, genealogy, insignia950 General history of Asia Far East960 General history of Africa990 General history of other areas