Classification
370 - Education
67
900 - History & geography
48
300 - Social sciences
42
330 - Economics
35
700 - The arts; fine & decorative arts
26
320 - Political science
20
800 - Literature & rhetoric
18
600 - Technology
16
410 - Linguistics
13
301 - Sociology & anthropology
10
333 - Economics of land & energy
10
340 - Law
10
363 - Other social problems & services
10
610 - Medicine & health
9
380 - Commerce, communications & transportation
8
000 - Computer science, information & general works
7
140 - Specific philosophical schools
7
400 - Language
6
551 - Geology, hydrology & meteorology
6
720 - Architecture
6
100 - Philosophy & psychology
5
200 - Religion
5
297 - Islam, Babism & Bahai Faith
4
304 - Factors affecting social behavior
3
170 - Ethics
2
360 - Social problems & services; associations
2
361 - Social problems & social welfare in general
2
500 - Natural sciences & mathematics
2
620 - Engineering & allied operations
2
658 - General management
2
780 - Music
2
530 - Physics
1
540 - Chemistry & allied sciences
1
576 - Genetics & evolution
1
590 - Animals (Zoology)
1
630 - Agriculture & related technologies
1
657 - Accounting
1