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SDNB
004 Data processing Computer sciences030 General encyclopedic works070 News media, journalismn, publishing200 Religion230 Christian theology310 General statistics360 Social services, association400 Language, Linguistics420 English440 Romance languages French510 Mathematics520 Astronomy & allied sciences624 Structural and Environmental Engineering740 Drawing & decorative arts770 Photography & photographs890 Literatures of other languages960 General history of Africa990 General history of other areas