Classification
000 - Computer science, information & general works
370 - Education
380 - Commerce, communications & transportation
7
700 - The arts; fine & decorative arts
6
658 - General management
5
100 - Philosophy & psychology
4
140 - Specific philosophical schools
4
320 - Political science
4
363 - Other social problems & services
4
610 - Medicine & health
4
300 - Social sciences
3
330 - Economics
3
400 - Language
3
551 - Geology, hydrology & meteorology
2
576 - Genetics & evolution
2
600 - Technology
2
620 - Engineering & allied operations
2
630 - Agriculture & related technologies
2
780 - Music
2
900 - History & geography
2
297 - Islam, Babism & Bahai Faith
1
301 - Sociology & anthropology
1
304 - Factors affecting social behavior
1
333 - Economics of land & energy
1
340 - Law
1
410 - Linguistics
1
500 - Natural sciences & mathematics
1
530 - Physics
1
540 - Chemistry & allied sciences
1