Classification
340 - Law
320 - Political science
5,090
330 - Economics
4,956
900 - History & geography
492
300 - Social sciences
397
700 - The arts; fine & decorative arts
335
140 - Specific philosophical schools
201
333 - Economics of land & energy
174
600 - Technology
166
000 - Computer science, information & general works
138
610 - Medicine & health
138
100 - Philosophy & psychology
137
380 - Commerce, communications & transportation
133
363 - Other social problems & services
131
630 - Agriculture & related technologies
123
620 - Engineering & allied operations
108
200 - Religion
97
170 - Ethics
96
370 - Education
75
301 - Sociology & anthropology
58
576 - Genetics & evolution
54
500 - Natural sciences & mathematics
53
800 - Literature & rhetoric
50
400 - Language
47
304 - Factors affecting social behavior
41
530 - Physics
34
580 - Plants (Botany)
34
551 - Geology, hydrology & meteorology
33
364 - Criminology
32
297 - Islam, Babism & Bahai Faith
26
361 - Social problems & social welfare in general
25
410 - Linguistics
23
581 - Specific topics in natural history
20
720 - Architecture
19
658 - General management
17
414 - Phonology & phonetics
14
120 - Epistemology, causation & humankind
11
350 - Public administration & military science
11
540 - Chemistry & allied sciences
11
360 - Social problems & services; associations
9
780 - Music
7
491 - East Indo-European & Celtic languages
6
296 - Judaism
4
338 - Production
3
341 - Law of nations
3
398 - Folklore
3
590 - Animals (Zoology)
3
770 - Photography, photographs & computer art
3
791 - Public performances
3
160 - Logic
2
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