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SDNB
060 General organization & museology070 News media, journalismn, publishing100 Philosophy335 Military science450 Italian, Romanian, Rhaeto-Romanic520 Astronomy & allied sciences560 Paleontology Paleozoology570 Life science600 Technology (Applied sciences)620 Engineering & allied operations660 Chemical engineering780 Music791 Public performances830 Literatures of Germanic languages891.8 Slavic Literature920 Biography, genealogy, insignia