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SDNB
000 Generalities, Science130 Paranormal phenomena220 Bible310 General statistics380 Commerce, communications, transport470 Italic Latin550 Earth sciences590 Zoological sciences600 Technology (Applied sciences)620 Engineering & allied operations630 Agriculture650 Management & auxialiary services660 Chemical engineering750 Painting & paintings790 Recreational & performing arts793 Indoor games & amusements840 Literature of Romance languages960 General history of Africa970 General history of North America