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Institute
SDNB
130 Paranormal phenomena230 Christian theology300 Social sciences310 General statistics370 Education470 Italic Latin480 Hellenic languages Classical Greek520 Astronomy & allied sciences540 Chemistry & allied sciences550 Earth sciences660 Chemical engineering720 Architecture793 Indoor games & amusements860 Spanish & Portuguese literatures890 Literatures of other languages891.8 Slavic Literature910 Geography & travel970 General history of North America980 General history of South America