Classification
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001 - Knowledge
48
003 - Systems
45
410 - Linguistics
45
128 - Humankind
43
780 - Music
41
040 - [Unassigned]
37
570 - Life sciences; biology
37
791 - Public performances
37
614 - Incidence & prevention of disease
35
629 - Other branches of engineering
34
361 - Social problems & social welfare in general
32
576 - Genetics & evolution
31
617 - Surgery & related medical specialties
31
025 - Library operations
30
770 - Photography, photographs & computer art
30
362 - Social welfare problems & services
29
364 - Criminology
28
615 - Pharmacology & therapeutics
25
808 - Rhetoric & collections of literature
25
142 - Critical philosophy
24
174 - Occupational ethics
24
809 - History, description & criticism
21
011 - Bibliographies
20
720 - Architecture
20
401 - Philosophy & theory
19
418 - Standard usage & applied linguistics
19
630 - Agriculture & related technologies
18
339 - Macroeconomics & related topics
17
519 - Probabilities & applied mathematics
16
540 - Chemistry & allied sciences
16
297 - Islam, Babism & Bahai Faith
15
327 - International relations
15
501 - Philosophy & theory
15
530 - Physics
15
551 - Geology, hydrology & meteorology
15
372 - Elementary education
14
781 - General principles & musical forms
14
778 - Fields & kinds of photography
13
794 - Indoor games of skill
13
571 - Physiology & related subjects
12
580 - Plants (Botany)
11
741 - Drawing & drawings
11
930 - History of ancient world to ca. 499
11
940 - History of Europe
11
111 - Ontology
10
120 - Epistemology, causation & humankind
10
341 - Law of nations
10
378 - Higher education
10
510 - Mathematics
10
740 - Drawing & decorative arts
10
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