Classification
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381 - Commerce
17
384 - Communications; telecommunication
104
400 - Language
4
500 - Natural sciences & mathematics
123
507 - Education, research & related topics
1
510 - Mathematics
2
519 - Probabilities & applied mathematics
2
576 - Genetics & evolution
1
580 - Plants (Botany)
2
581 - Specific topics in natural history
2
600 - Technology
20
610 - Medicine & health
26
620 - Engineering & allied operations
27
621 - Applied physics
2
630 - Agriculture & related technologies
5
650 - Management & auxiliary services
23
651 - Office services
2
657 - Accounting
11
658 - General management
279
659 - Advertising & public relations
5
670 - Manufacturing
30
700 - The arts; fine & decorative arts
16
745 - Decorative arts
15
775 - Digital photography
1
781 - General principles & musical forms
1
800 - Literature & rhetoric
1
808 - Rhetoric & collections of literature
3
900 - History & geography
6