Classification
300 - Social sciences
219
306 - Culture & institutions
86
301 - Sociology & anthropology
77
320 - Political science
77
305 - Social groups
31
100 - Philosophy & psychology
30
304 - Factors affecting social behavior
27
900 - History & geography
23
140 - Specific philosophical schools
21
302 - Social interaction
14
340 - Law
12
600 - Technology
12
200 - Religion
11
330 - Economics
11
370 - Education
11
333 - Economics of land & energy
10
120 - Epistemology, causation & humankind
8
700 - The arts; fine & decorative arts
8
170 - Ethics
7
307 - Communities
7
361 - Social problems & social welfare in general
7
610 - Medicine & health
7
303 - Social processes
6
363 - Other social problems & services
6
380 - Commerce, communications & transportation
6
155 - Differential & developmental psychology
5
410 - Linguistics
5
338 - Production
4
581 - Specific topics in natural history
4
800 - Literature & rhetoric
4
000 - Computer science, information & general works
3
193 - Philosophy of Germany & Austria
3
323 - Civil & political rights
3
364 - Criminology
3
576 - Genetics & evolution
3
620 - Engineering & allied operations
3
121 - Epistemology
2
149 - Other philosophical systems
2
150 - Psychology
2
172 - Political ethics
2
201 - Religious mythology & social theology
2
321 - Systems of governments & states
2
335 - Socialism & related systems
2
360 - Social problems & services; associations
2
400 - Language
2
500 - Natural sciences & mathematics
2
551 - Geology, hydrology & meteorology
2
658 - General management
2
720 - Architecture
2
004 - Data processing & computer science
1
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