Classification
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200 - Religion
4
346 - Private law
4
407 - Education, research & related topics
4
576 - Genetics & evolution
4
650 - Management & auxiliary services
4
910 - Geography & travel
4
004 - Data processing & computer science
3
153 - Mental processes & intelligence
3
158 - Applied psychology
3
323 - Civil & political rights
3
630 - Agriculture & related technologies
3
660 - Chemical engineering
3
800 - Literature & rhetoric
3
003 - Systems
2
025 - Library operations
2
070 - News media, journalism & publishing
2
342 - Constitutional & administrative law
2
355 - Military science
2
378 - Higher education
2
543 - Analytical chemistry
2
612 - Human physiology
2
615 - Pharmacology & therapeutics
2
809 - History, description & criticism
2
152 - Perception, movement, emotions & drives
1
160 - Logic
1
174 - Occupational ethics
1
181 - Eastern philosophy
1
192 - Philosophy of British Isles
1
201 - Religious mythology & social theology
1
230 - Christianity & Christian theology
1
296 - Judaism
1
325 - International migration & colonization
1
332 - Financial economics
1
335 - Socialism & related systems
1
347 - Civil procedure & courts
1
358 - Air & other specialized forces
1
384 - Communications; telecommunication
1
398 - Folklore
1
400 - Language
1
410 - Linguistics
1
499 - Austronesian & other languages
1
511 - General principles of mathematics
1
520 - Astronomy & allied sciences
1
530 - Physics
1
531 - Classical mechanics; solid mechanics
1
551 - Geology, hydrology & meteorology
1
570 - Life sciences; biology
1
571 - Physiology & related subjects
1
577 - Ecology
1
581 - Specific topics in natural history
1
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