Classification
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358 - Air & other specialized forces
2
360 - Social problems & services; associations
10
361 - Social problems & social welfare in general
14
362 - Social welfare problems & services
15
363 - Other social problems & services
58
364 - Criminology
40
365 - Penal & related institutions
1
368 - Insurance
2
370 - Education
37
371 - Schools & their activities; special education
2
380 - Commerce, communications & transportation
21
400 - Language
6
410 - Linguistics
5
414 - Phonology & phonetics
1
430 - Germanic languages; German
1
500 - Natural sciences & mathematics
9
530 - Physics
2
551 - Geology, hydrology & meteorology
3
576 - Genetics & evolution
6
580 - Plants (Botany)
2
581 - Specific topics in natural history
5
600 - Technology
12
610 - Medicine & health
74
612 - Human physiology
2
613 - Personal health & safety
1
614 - Incidence & prevention of disease
2
616 - Diseases
1
620 - Engineering & allied operations
4
621 - Applied physics
1
629 - Other branches of engineering
1
630 - Agriculture & related technologies
4
658 - General management
12
670 - Manufacturing
1
700 - The arts; fine & decorative arts
63
701 - Philosophy of fine & decorative arts
1
704 - Special topics in fine & decorative arts
1
720 - Architecture
2
745 - Decorative arts
1
770 - Photography, photographs & computer art
1
780 - Music
4
791 - Public performances
4
792 - Stage presentations
1
794 - Indoor games of skill
1
800 - Literature & rhetoric
21
809 - History, description & criticism
1
820 - English & Old English literatures
2
821 - English poetry
1
823 - English fiction
1
830 - Literatures of Germanic languages
1
860 - Spanish & Portuguese literatures
1
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