Classification
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940 - History of Europe
2
951 - China & adjacent areas
2
003 - Systems
1
004 - Data processing & computer science
1
036 - Encyclopedias in Spanish & Portuguese
1
120 - Epistemology, causation & humankind
1
150 - Psychology
1
153 - Mental processes & intelligence
1
155 - Differential & developmental psychology
1
158 - Applied psychology
1
174 - Occupational ethics
1
190 - Modern western philosophy
1
210 - Philosophy & theory of religion
1
296 - Judaism
1
328 - The legislative process
1
335 - Socialism & related systems
1
337 - International economics
1
341 - Law of nations
1
343 - Military, tax, trade & industrial law
1
344 - Labor, social, education & cultural law
1
346 - Private law
1
350 - Public administration & military science
1
362 - Social welfare problems & services
1
364 - Criminology
1
368 - Insurance
1
381 - Commerce
1
394 - General customs
1
400 - Language
1
401 - Philosophy & theory
1
407 - Education, research & related topics
1
417 - Dialectology & historical linguistics
1
519 - Probabilities & applied mathematics
1
520 - Astronomy & allied sciences
1
540 - Chemistry & allied sciences
1
577 - Ecology
1
591 - Specific topics in natural history
1
629 - Other branches of engineering
1
630 - Agriculture & related technologies
1
634 - Orchards, fruits & forestry
1
709 - Historical, geographic & persons treatment
1
780 - Music
1
808 - Rhetoric & collections of literature
1
820 - English & Old English literatures
1
939 - Other parts of ancient world to ca. 640
1
941 - British Isles
1
942 - England & Wales
1
947 - Eastern Europe; Russia
1
954 - South Asia; India
1
956 - Middle East (Near East)
1
959 - Southeast Asia
1
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