Classification
301 - Sociology & anthropology
300 - Social sciences
192
330 - Economics
94
320 - Political science
60
900 - History & geography
60
140 - Specific philosophical schools
27
200 - Religion
24
333 - Economics of land & energy
24
304 - Factors affecting social behavior
23
363 - Other social problems & services
23
700 - The arts; fine & decorative arts
23
100 - Philosophy & psychology
21
340 - Law
19
610 - Medicine & health
19
600 - Technology
18
380 - Commerce, communications & transportation
14
000 - Computer science, information & general works
13
361 - Social problems & social welfare in general
10
297 - Islam, Babism & Bahai Faith
9
370 - Education
9
630 - Agriculture & related technologies
9
400 - Language
7
620 - Engineering & allied operations
7
576 - Genetics & evolution
6
581 - Specific topics in natural history
6
170 - Ethics
5
720 - Architecture
5
500 - Natural sciences & mathematics
4
800 - Literature & rhetoric
4
410 - Linguistics
3
336 - Public finance
2
350 - Public administration & military science
2
360 - Social problems & services; associations
2
364 - Criminology
2
530 - Physics
2
780 - Music
2
120 - Epistemology, causation & humankind
1
338 - Production
1
520 - Astronomy & allied sciences
1
540 - Chemistry & allied sciences
1
580 - Plants (Botany)
1
657 - Accounting
1
658 - General management
1