Classification
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001 - Knowledge
1
120 - Epistemology, causation & humankind
1
302 - Social interaction
1
331 - Labor economics
1
338 - Production
1
350 - Public administration & military science
1
368 - Insurance
1
520 - Astronomy & allied sciences
1
618 - Gynecology, obstetrics, pediatrics & geriatrics
1
621 - Applied physics
1
629 - Other branches of engineering
1
657 - Accounting
1
745 - Decorative arts
1