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SDNB
070 News media, journalismn, publishing310 General statistics333.7 Natural resources, energy and environment340 Law350 Public administration439 Other Germanic languages490 Other languages491.8 Slavic languages540 Chemistry & allied sciences600 Technology (Applied sciences)620 Engineering & allied operations621.3 Electrical Engineering, Electronics690 Buildings791 Public performances810 American literature in English910 Geography & travel