Classification
700 - The arts; fine & decorative arts
900 - History & geography
166
600 - Technology
134
300 - Social sciences
122
000 - Computer science, information & general works
111
380 - Commerce, communications & transportation
94
320 - Political science
87
100 - Philosophy & psychology
73
333 - Economics of land & energy
68
140 - Specific philosophical schools
66
370 - Education
65
330 - Economics
58
610 - Medicine & health
58
800 - Literature & rhetoric
52
363 - Other social problems & services
49
620 - Engineering & allied operations
49
780 - Music
44
400 - Language
33
791 - Public performances
26
301 - Sociology & anthropology
24
576 - Genetics & evolution
24
720 - Architecture
24
340 - Law
23
200 - Religion
22
770 - Photography, photographs & computer art
22
658 - General management
20
500 - Natural sciences & mathematics
18
551 - Geology, hydrology & meteorology
18
580 - Plants (Botany)
17
410 - Linguistics
16
530 - Physics
16
304 - Factors affecting social behavior
14
170 - Ethics
13
581 - Specific topics in natural history
13
630 - Agriculture & related technologies
11
120 - Epistemology, causation & humankind
8
297 - Islam, Babism & Bahai Faith
5
540 - Chemistry & allied sciences
5
302 - Social interaction
4
361 - Social problems & social welfare in general
4
414 - Phonology & phonetics
4
398 - Folklore
2
612 - Human physiology
2
615 - Pharmacology & therapeutics
2
650 - Management & auxiliary services
2
070 - News media, journalism & publishing
1
350 - Public administration & military science
1
360 - Social problems & services; associations
1
520 - Astronomy & allied sciences
1
618 - Gynecology, obstetrics, pediatrics & geriatrics
1
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