Classification
363 - Other social problems & services
700 - The arts; fine & decorative arts
55
333 - Economics of land & energy
42
320 - Political science
35
330 - Economics
31
000 - Computer science, information & general works
28
600 - Technology
23
380 - Commerce, communications & transportation
19
140 - Specific philosophical schools
16
551 - Geology, hydrology & meteorology
16
900 - History & geography
16
370 - Education
14
610 - Medicine & health
13
581 - Specific topics in natural history
11
620 - Engineering & allied operations
10
340 - Law
9
200 - Religion
5
300 - Social sciences
5
304 - Factors affecting social behavior
5
576 - Genetics & evolution
5
630 - Agriculture & related technologies
5
100 - Philosophy & psychology
4
301 - Sociology & anthropology
4
361 - Social problems & social welfare in general
4
720 - Architecture
4
800 - Literature & rhetoric
4
410 - Linguistics
3
658 - General management
3
297 - Islam, Babism & Bahai Faith
2
400 - Language
2
500 - Natural sciences & mathematics
2
170 - Ethics
1
414 - Phonology & phonetics
1
530 - Physics
1
590 - Animals (Zoology)
1
657 - Accounting
1