Classification
301 - Sociology & anthropology
268
300 - Social sciences
266
306 - Culture & institutions
219
305 - Social groups
53
304 - Factors affecting social behavior
52
320 - Political science
37
302 - Social interaction
23
330 - Economics
11
600 - Technology
10
100 - Philosophy & psychology
9
340 - Law
9
364 - Criminology
8
900 - History & geography
8
140 - Specific philosophical schools
7
361 - Social problems & social welfare in general
7
363 - Other social problems & services
7
370 - Education
7
658 - General management
7
000 - Computer science, information & general works
5
200 - Religion
5
500 - Natural sciences & mathematics
5
610 - Medicine & health
5
170 - Ethics
4
303 - Social processes
4
501 - Philosophy & theory
4
613 - Personal health & safety
4
616 - Diseases
4
700 - The arts; fine & decorative arts
4
150 - Psychology
3
307 - Communities
3
327 - International relations
3
333 - Economics of land & energy
3
581 - Specific topics in natural history
3
614 - Incidence & prevention of disease
3
004 - Data processing & computer science
2
126 - The self
2
128 - Humankind
2
142 - Critical philosophy
2
155 - Differential & developmental psychology
2
331 - Labor economics
2
335 - Socialism & related systems
2
341 - Law of nations
2
374 - Adult education
2
380 - Commerce, communications & transportation
2
003 - Systems
1
005 - Computer programming, programs & data
1
006 - Special computer methods
1
120 - Epistemology, causation & humankind
1
180 - Ancient, medieval & eastern philosophy
1
259 - Pastoral care of families & kinds of persons
1
more ...