Classification
000 - Computer science, information & general works
380 - Commerce, communications & transportation
610 - Medicine & health
333 - Economics of land & energy
7
363 - Other social problems & services
7
700 - The arts; fine & decorative arts
7
580 - Plants (Botany)
6
140 - Specific philosophical schools
5
600 - Technology
5
658 - General management
3
900 - History & geography
3
320 - Political science
2
330 - Economics
2
551 - Geology, hydrology & meteorology
2
620 - Engineering & allied operations
2
720 - Architecture
2
170 - Ethics
1
340 - Law
1
370 - Education
1
410 - Linguistics
1
414 - Phonology & phonetics
1
500 - Natural sciences & mathematics
1
550 - Earth sciences
1
576 - Genetics & evolution
1
612 - Human physiology
1
630 - Agriculture & related technologies
1
800 - Literature & rhetoric
1