Classification
100 - Philosophy & psychology
340 - Law
320 - Political science
85
170 - Ethics
47
900 - History & geography
47
300 - Social sciences
37
200 - Religion
34
330 - Economics
33
140 - Specific philosophical schools
31
700 - The arts; fine & decorative arts
28
370 - Education
19
610 - Medicine & health
14
301 - Sociology & anthropology
13
000 - Computer science, information & general works
12
333 - Economics of land & energy
11
400 - Language
11
600 - Technology
11
363 - Other social problems & services
10
120 - Epistemology, causation & humankind
8
297 - Islam, Babism & Bahai Faith
8
361 - Social problems & social welfare in general
7
364 - Criminology
7
380 - Commerce, communications & transportation
7
620 - Engineering & allied operations
7
800 - Literature & rhetoric
7
500 - Natural sciences & mathematics
6
576 - Genetics & evolution
6
410 - Linguistics
5
530 - Physics
5
581 - Specific topics in natural history
4
336 - Public finance
3
360 - Social problems & services; associations
3
780 - Music
3
160 - Logic
2
304 - Factors affecting social behavior
2
551 - Geology, hydrology & meteorology
2
658 - General management
2
296 - Judaism
1
350 - Public administration & military science
1
580 - Plants (Botany)
1
630 - Agriculture & related technologies
1
770 - Photography, photographs & computer art
1