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Institute
SDNB
000 Generalities, Science004 Data processing Computer sciences030 General encyclopedic works090 Manuscripts & rare books310 General statistics320 Political science330 Economics350 Public administration370 Education400 Language, Linguistics550 Earth sciences560 Paleontology Paleozoology600 Technology (Applied sciences)650 Management & auxialiary services670 Manufacturing690 Buildings770 Photography & photographs780 Music791 Public performances793 Indoor games & amusements