Classification
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415 - Grammar
10
417 - Dialectology & historical linguistics
1
418 - Standard usage & applied linguistics
17
430 - Germanic languages; German
1
440 - Romance languages; French
2
490 - Other languages
2
501 - Philosophy & theory
1
507 - Education, research & related topics
3
510 - Mathematics
14
511 - General principles of mathematics
2
512 - Algebra
1
515 - Analysis
2
516 - Geometry
1
519 - Probabilities & applied mathematics
4
535 - Light & infrared & ultraviolet phenomena
1
540 - Chemistry & allied sciences
1
570 - Life sciences; biology
6
571 - Physiology & related subjects
2
576 - Genetics & evolution
6
577 - Ecology
4
610 - Medicine & health
4
611 - Human anatomy, cytology & histology
1
612 - Human physiology
7
613 - Personal health & safety
1
614 - Incidence & prevention of disease
1
616 - Diseases
7
617 - Surgery & related medical specialties
1
620 - Engineering & allied operations
8
621 - Applied physics
5
629 - Other branches of engineering
2
641 - Food & drink
1
658 - General management
4
664 - Food technology
1
670 - Manufacturing
2
700 - The arts; fine & decorative arts
2
741 - Drawing & drawings
1
745 - Decorative arts
2
780 - Music
4
781 - General principles & musical forms
1
790 - Recreational & performing arts
1
791 - Public performances
5
800 - Literature & rhetoric
1
801 - Philosophy & theory
1
808 - Rhetoric & collections of literature
1
809 - History, description & criticism
3
907 - Education, research & related topics
1
909 - World history
1
910 - Geography & travel
3
930 - History of ancient world to ca. 499
3