Classification
000 - Computer science, information & general works
320 - Political science
340 - Law
700 - The arts; fine & decorative arts
9
333 - Economics of land & energy
8
330 - Economics
7
363 - Other social problems & services
7
600 - Technology
5
380 - Commerce, communications & transportation
4
610 - Medicine & health
4
410 - Linguistics
2
500 - Natural sciences & mathematics
2
576 - Genetics & evolution
2
140 - Specific philosophical schools
1
200 - Religion
1
361 - Social problems & social welfare in general
1
370 - Education
1
530 - Physics
1
551 - Geology, hydrology & meteorology
1
580 - Plants (Botany)
1
581 - Specific topics in natural history
1
630 - Agriculture & related technologies
1
657 - Accounting
1
658 - General management
1