Classification
700 - The arts; fine & decorative arts
86
600 - Technology
75
000 - Computer science, information & general works
67
620 - Engineering & allied operations
58
364 - Criminology
51
330 - Economics
50
333 - Economics of land & energy
47
900 - History & geography
43
340 - Law
30
610 - Medicine & health
29
320 - Political science
25
380 - Commerce, communications & transportation
25
363 - Other social problems & services
24
551 - Geology, hydrology & meteorology
19
140 - Specific philosophical schools
18
580 - Plants (Botany)
17
530 - Physics
16
630 - Agriculture & related technologies
14
500 - Natural sciences & mathematics
11
576 - Genetics & evolution
9
360 - Social problems & services; associations
7
414 - Phonology & phonetics
7
820 - English & Old English literatures
6
170 - Ethics
5
300 - Social sciences
5
370 - Education
5
614 - Incidence & prevention of disease
5
720 - Architecture
5
400 - Language
4
540 - Chemistry & allied sciences
4
550 - Earth sciences
4
658 - General management
4
770 - Photography, photographs & computer art
4
341 - Law of nations
3
365 - Penal & related institutions
3
420 - English & Old English
3
004 - Data processing & computer science
2
005 - Computer programming, programs & data
2
100 - Philosophy & psychology
2
303 - Social processes
2
306 - Culture & institutions
2
361 - Social problems & social welfare in general
2
371 - Schools & their activities; special education
2
440 - Romance languages; French
2
470 - Italic languages; Latin
2
621 - Applied physics
2
001 - Knowledge
1
003 - Systems
1
120 - Epistemology, causation & humankind
1
150 - Psychology
1
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