Classification
340 - Law
320 - Political science
136
330 - Economics
49
700 - The arts; fine & decorative arts
41
300 - Social sciences
38
333 - Economics of land & energy
37
363 - Other social problems & services
31
140 - Specific philosophical schools
30
900 - History & geography
30
100 - Philosophy & psychology
22
380 - Commerce, communications & transportation
22
000 - Computer science, information & general works
20
200 - Religion
15
600 - Technology
15
551 - Geology, hydrology & meteorology
13
301 - Sociology & anthropology
12
304 - Factors affecting social behavior
12
610 - Medicine & health
12
170 - Ethics
11
370 - Education
10
350 - Public administration & military science
9
361 - Social problems & social welfare in general
7
620 - Engineering & allied operations
6
364 - Criminology
5
581 - Specific topics in natural history
5
630 - Agriculture & related technologies
5
297 - Islam, Babism & Bahai Faith
4
410 - Linguistics
4
658 - General management
4
400 - Language
3
576 - Genetics & evolution
3
800 - Literature & rhetoric
3
500 - Natural sciences & mathematics
2
530 - Physics
2
657 - Accounting
2
720 - Architecture
2
120 - Epistemology, causation & humankind
1
336 - Public finance
1
360 - Social problems & services; associations
1
398 - Folklore
1
580 - Plants (Botany)
1
590 - Animals (Zoology)
1
780 - Music
1
791 - Public performances
1