Classification
000 - Computer science, information & general works
600 - Technology
26
700 - The arts; fine & decorative arts
19
620 - Engineering & allied operations
16
900 - History & geography
14
333 - Economics of land & energy
8
380 - Commerce, communications & transportation
8
140 - Specific philosophical schools
6
500 - Natural sciences & mathematics
5
530 - Physics
5
658 - General management
5
610 - Medicine & health
4
330 - Economics
3
363 - Other social problems & services
2
520 - Astronomy & allied sciences
2
576 - Genetics & evolution
2
580 - Plants (Botany)
2
800 - Literature & rhetoric
2
100 - Philosophy & psychology
1
300 - Social sciences
1
320 - Political science
1
340 - Law
1
361 - Social problems & social welfare in general
1
370 - Education
1
414 - Phonology & phonetics
1
581 - Specific topics in natural history
1
612 - Human physiology
1
621 - Applied physics
1
630 - Agriculture & related technologies
1
780 - Music
1