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Institute
SDNB
000 Generalities, Science004 Data processing Computer sciences100 Philosophy300 Social sciences330 Economics340 Law400 Language, Linguistics460 Spanish & Portugese languages560 Paleontology Paleozoology570 Life science630 Agriculture650 Management & auxialiary services690 Buildings740 Drawing & decorative arts910 Geography & travel980 General history of South America990 General history of other areas