Classification
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384 - Communications; telecommunication
2
391 - Costume & personal appearance
1
500 - Natural sciences & mathematics
4
551 - Geology, hydrology & meteorology
2
570 - Life sciences; biology
1
577 - Ecology
1
579 - Microorganisms, fungi & algae
1
580 - Plants (Botany)
1
581 - Specific topics in natural history
5
600 - Technology
6
601 - Philosophy & theory
1
604 - Special topics
1
610 - Medicine & health
9
613 - Personal health & safety
3
614 - Incidence & prevention of disease
3
616 - Diseases
2
617 - Surgery & related medical specialties
1
620 - Engineering & allied operations
6
621 - Applied physics
1
624 - Civil engineering
1
628 - Sanitary & municipal engineering
1
630 - Agriculture & related technologies
2
641 - Food & drink
1
658 - General management
26
659 - Advertising & public relations
1
664 - Food technology
1
670 - Manufacturing
2
700 - The arts; fine & decorative arts
14
701 - Philosophy of fine & decorative arts
1
741 - Drawing & drawings
1
747 - Interior decoration
1
780 - Music
1
791 - Public performances
4
800 - Literature & rhetoric
2
808 - Rhetoric & collections of literature
2
809 - History, description & criticism
3
900 - History & geography
19
909 - World history
1
930 - History of ancient world to ca. 499
4
941 - British Isles
1
944 - France & Monaco
1
950 - History of Asia; Far East
1
956 - Middle East (Near East)
1
973 - United States
1