Classification
340 - Law
580 - Plants (Botany)
700 - The arts; fine & decorative arts
3
330 - Economics
2
333 - Economics of land & energy
2
380 - Commerce, communications & transportation
2
551 - Geology, hydrology & meteorology
2
000 - Computer science, information & general works
1
140 - Specific philosophical schools
1
363 - Other social problems & services
1
500 - Natural sciences & mathematics
1
600 - Technology
1
610 - Medicine & health
1
620 - Engineering & allied operations
1
630 - Agriculture & related technologies
1
900 - History & geography
1