Classification
410 - Linguistics
6
600 - Technology
6
620 - Engineering & allied operations
4
900 - History & geography
4
000 - Computer science, information & general works
3
340 - Law
3
380 - Commerce, communications & transportation
3
700 - The arts; fine & decorative arts
3
333 - Economics of land & energy
2
658 - General management
2
140 - Specific philosophical schools
1
330 - Economics
1
363 - Other social problems & services
1
500 - Natural sciences & mathematics
1
540 - Chemistry & allied sciences
1
576 - Genetics & evolution
1
580 - Plants (Botany)
1
610 - Medicine & health
1