Classification
361 - Social problems & social welfare in general
330 - Economics
106
320 - Political science
98
610 - Medicine & health
94
360 - Social problems & services; associations
72
300 - Social sciences
50
700 - The arts; fine & decorative arts
47
333 - Economics of land & energy
46
000 - Computer science, information & general works
43
140 - Specific philosophical schools
41
900 - History & geography
40
363 - Other social problems & services
32
600 - Technology
32
100 - Philosophy & psychology
26
364 - Criminology
26
170 - Ethics
25
340 - Law
25
370 - Education
24
500 - Natural sciences & mathematics
20
380 - Commerce, communications & transportation
19
304 - Factors affecting social behavior
17
620 - Engineering & allied operations
17
301 - Sociology & anthropology
13
630 - Agriculture & related technologies
13
658 - General management
13
200 - Religion
12
362 - Social welfare problems & services
10
580 - Plants (Botany)
9
551 - Geology, hydrology & meteorology
8
576 - Genetics & evolution
8
612 - Human physiology
8
590 - Animals (Zoology)
7
331 - Labor economics
5
350 - Public administration & military science
5
800 - Literature & rhetoric
5
332 - Financial economics
4
338 - Production
3
400 - Language
3
581 - Specific topics in natural history
3
001 - Knowledge
2
011 - Bibliographies
2
297 - Islam, Babism & Bahai Faith
2
303 - Social processes
2
336 - Public finance
2
372 - Elementary education
2
414 - Phonology & phonetics
2
540 - Chemistry & allied sciences
2
791 - Public performances
2
153 - Mental processes & intelligence
1
174 - Occupational ethics
1
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